A B C D E F G H I J K L M N O P Q R S T U V W X Y Z -- A -- ability absence abstract accompany accord according account accustom achievement acquaint across action active activities activity actual addition admit advance advancing affect after-effect after-luminescence agnostic agree air akin Alexander algebraic alike alive all-embracing allow aloud alternate alternating alternation aluminium analysis-theory analyzing anatomical Anatomy ancient Andrew angle answer Anthroposophia anthroposophical anvil apart Apollo apparatus appear applicable applied apprehend approach aqueous Archimedes arise arising arithmetic arose around arrange arrival arrive arteries ascend ascending ascertain ascribe asleep aspect aspire associated assume assuming assumption assuredly astral atom atom-like attack attempt attention attribute audible Autobiography available average awake away -- B -- back background Baltic barium basic basis bear became because become began beginning behind being belief believe bell-jar belong beloved beneath black blame blend blind blood blue bluish-greenish bluish-red blurred bodies bodily body body-of-light Bologna bone bony book boundary brain branch breathe bridge bright Buettner build built Bunsen -- C -- call carbon career carefully carried carry cartilaginous case cathode cause cease celestial central centre centuries century chapter character chemical children Christ circle circumference circumstance clarified clarity clear Clent close cloud cochlea cold collection College Colouredness-of-bodies colour-theory column communicate compare comparing comparison compell compels complete complicated comprehend comprehensive comprise compute conceal conceive concentrate concept concern concrete condensation condition cone confess configuration confined confirmed confront confuse connect conscious consequence consist constitution construct contact contain contemplate contemplating contemplation contemporaries content continue continuity continuous contract contrary contribute contribution convenience conversation converse convinced Cool cornea correct correspond Cosmic countless courage cover create creep criss-cross Crookes cross-section crude crumbling crystal cube cultivate culture current customary cylinder-of-light -- D -- dawn day day-waking dead dear December decided declare deed deep definite degree demand demonstrate derision derive descend descent describe describing description desire detail determine determining develop diagram diaphragm differ difference different difficult direct discharge disciple discover discriminate discuss disposal disregarded distance distant distinct distinguish distribution disturb divide doing domain dominant done doubt down downward-pulling draw dream dream-picture drew drive driving dual dust -- E -- ear East education effect Egypto-Chaldean elaboration elastic electric element emanated embedded embrace embryo emerge emerging emphasise emphasize enable enabling encounter endeavour endure enduring English enquire entirely entities entity entrusted environment environment-of-warmth epoch epoch-making equal equivalent especially essence essential establish ether ethereal etheric etheric-astral ethical Ethical-Aesthetical Euclid Eugen event ever-balancing evident evoke evolution evolve exact examine exclusively exertion exist expand expanse experience experiment explain explanation exposure express extend extent external extinguish extract extreme extremely eye -- F -- face fact factor faculties faculty fail fain falciform fall false familiar far-reaching fashion feature feeble feel feeling felt few field fill filter final find finely-divided finger finished first five flame flash flesh florin flow flowing fluid follow force forget form formal formation formula forth forward found foundation four fourth Frankfurter Freier fresh Fresnel friend frog fruitful function fundamental further future -- G -- gain Galvani gaseous gather gaze generally genius genuine geometrical geometry German gist give giving glass glimpse Goethe Goetheanum golden gradual gradually grasp Gravitation green greenish-blue greenish-yellow grew Grimaldi Grimm ground group grow Guenther -- H -- habit half Hamerling hammer hand hard harmony havoc head hearing heart heat Heilbronn Heinrich helium Helmholtz Hertwig Hertz hidden hide high hindrance Hittorf Hochstift hollow home horse human hypothesis -- I -- idea idea-forming illuminated illumination illumined image immediate immense impact impart imperfect impinge implies importance important impossibility impossible impress incidence inclination include indeed independent indicate indifferent indigo induce inertia infinite influence information inner inorganic insight insist inspiring instance instinct instruct instrument intellect intelligence intelligent intense intensely intensity intention interest interior intermediary interpenetrate interpenetration interplay interpret intervening intimate introduce introduction introductory Intuition invent invention investigated investigation involved inward iodine -- J -- January Jesuit Johannes join journey Julius justified justify -- K -- Kant Kantian Kepler kind kindle Kirchhoff knowledge Konigsberg -- L -- labyrinth Laplace large larynx lasting latent lattice-work learn leave leaving lecture Lecture-Course lecture-theatre left-hand leg Lenard length lens Leonardo letter level Leyden life lifeless life-work lift light light-blue light-condition light-element lightening lightning light-phenomena line link liquid listening literature little live living logical long longing longitudinal lower Luciferic luminous lying lyre -- M -- magnet majority man manifest manifestation manifold mankind man-of-air many-coloured mass material materialism materialistic mathematical matter Mayer measure mechanical mechanism media medium meet meeting member mental mention mentioned metabolism metal metamorphose metamorphosed metamorphoses method Michael middle Militarism mind mine mingling mistake model modern modification modified molecular moment Monism Moon morning motion movement Multiply Mund mutual myself mysterious -- N -- name narrow narrower Nature-given naughty near necessary need needful negative neighbourhood nerve nervous neutral Newton nine nine-tenths normal note nothing notice notion number -- O -- object objective obliged observation observing obtain occasion occupies occupy occur occurred occurrence octahedron Ohm one-tenth onward opaque open opinion opposed opposite opposition optic optical orange orbit order ordinarily ordinary organ organic organisation organism organization original oscillation Oskar outcome outer outline outlook outside outward outwardly -- P -- painted paper paraffin part particular pass past path pecten peculiar peculiarity pendulum penetrate penetrating people perceive perceptible perception period permanently permeate person Pfeiffer phenomena phenomenon philosopher phosphor physical physicist physicists physiologist piece place plain Plain-sailing plane planetary plant platinocyanide play point point-centre portion position positive possess possibility possible possibly posterity pour pouring power precisely predominant predominates preliminary premise preparation prepare prepared preparing presence present presentation present-day preserving pressure presume pretty prevail prevalent previous previously primitive principle prism private Privy probably problem proceed process produce product progress project projected Prominent proof propagated propagation proper properties protected prove provide Psychology publication pupil purely purpose pursuing pursuit -- Q -- quadrilateral qualities quality quarrel question quickly quintessence quite quoted quotient -- R -- radiating radiation radium-body radium-containing raise raised ramification ray raying-forth rays reach reached react reacts read readily real realise realities reality realize realm reason recall receive receiving recent receptive reckon recognising recognition recognize recommended reddish-shining reddish-yellow refer reference reflect reflecting reflection refrain regard region regular relate relation relationship relief religious remain remark remarkable remember remnant remote remove repeat repeated replaced report represent reprint reproduce reproduced require requirement requisite research resistance resolve respect responsible restrict result retain retina return reveal revealing revolutions rhombic rhythm rhythm-of-life right right-hand rigid rise rock-salt Roentgen Roman-Catholic rose-bush round Rovert rule -- S -- sacrifice satisfied scale scarcely Schiller school Science scientific scientist search seated second seize self-contained sensation sense sense-organ sense-perception sense-world sensible separate separated separating sequence series seriously serve service setting seven several severe shade shades shadow shape share sharp sharply shine shining significance significant signified signifies signify similar simple simply simultaneously single six skin skull sleep slight social Society Solar solid soul soul-and-spirit source space spaces-of-light spatial speak special species specific specks speculation sphere spinal Spirit-Nature spiritual spite split spoke spoken spread spring stage stand starting-point state statement state-of-warmth stating steam-engine Stein stimulated stimulus Stockmeyer stone stood stopcock store straight straightforward strange strength strike striking striving strong strongly structure students studied studies study Stuttgart style subconscious subject subject-matter subsequently substance successive suffer suffering suffice sufficient suggest suitable sunlight super-sensible supplied Suppose suppressed surface surround surrounding swallow sympathetic sympathy -- T -- taking task taught teach teacher teaching technical tell temperature tendencies tendency tending term terms terrible text-book theme theorem theories theory thermometer thick thing think thinking third three throw thrust thunder time tissue told tone totalities totally touch toward trace track train transfer transform transformation transient transition translate transmitted treasure treat treated trend triangle tries trivial trouble true truly truth tuning-fork turning-point -- U -- ultimately uncanny unclouded unconscious undergo underlying understand understood undoubtedly unfold uniform unintelligible unite united uniting Universe Universities University unknown unnoticed unreal unrevised untruth upper up-to-date upward upward-and-downward uranium Ur-phenomena Ur-phenomenon -- V -- vacuum vague value vanish vanished varied varying vegetable vessel vibration Vinci violet violin virtue visible vital vitreous vividly volume -- W -- Wahrheit waking Waldorf Waldorf-School Walter wanting warm warmth-condition warmth-element warmth-organ water water-prism wave wave-length wave-movement wave-theories wave-theory weak weaker weave web weighing weighing-machine Weimar wheel whirling whitish-shining whole wide Will-part Will-system wind wisdom wish withdraw witness wolf wolves word work working-together world world-conception world-outlook world-picture write written wrong -- Y -- year yellow yellow-red yesterday yonder Young