illusion

I
(New American Roget's College Thesaurus)
n. delusion, hallucination, vision, apparition; chimera, mirage, bubble, figment [of the mind or imagination]; dream, fool's paradise; misconception, self-delusion, error; legerdemain. See deception.
II
(Roget's IV) n.
1. [Unreal appearance]
Syn. fancy, hallucination, mirage, apparition, ghost, chimera, delusion, deception, fantasy, figment of the imagination, dream, vision, phantasm, image, trick of vision, optical illusion, myth, make-believe, déjà vu (French), paramnesia, castle in Spain, will-o'-the-wisp, ignis fatuus (Latin); see also dream 1 , fantasy 2 , vision 3 , 4 .
2. [Misconception]
Syn. delusion, confusion, false impression; see mistake 2 , misunderstanding 1 .
Syn.- illusion suggests the false perception or interpretation of something that has objective existence [ perspective in drawing gives the illusion of depth ] ; delusion implies belief in something that is contrary to fact or reality, resulting from deception, a misconception, or a mental disorder [ to have delusions of grandeur ] ; hallucination implies the apparent perception, in nervous or mental disorder, of something external that is actually not present; mirage refers to an optical illusion caused by atmospheric conditions, and, in figurative use, implies an unrealizable hope or aspiration
III
(Roget's 3 Superthesaurus) n.
apparition, mirage, hallucination, misconception, pipe dream, vision, phantasm, figment of the imagination, delusion, fallacy, deception.
IV
(Roget's Thesaurus II) noun 1. An erroneous perception of reality: delusion, hallucination, ignis fatuus, mirage, phantasm, phantasma, will-o'-the-wisp. See REAL. 2. An illusory mental image: daydream, dream, fancy, fantasy, fiction, figment, phantasm, phantasma, reverie, vision. See REAL. 3. A fantastic, impracticable plan or desire: bubble, castle in the air, chimera, dream, fantasy, pipe dream, rainbow. See REAL.

English dictionary for students. 2013.

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  • Illusion — Illusion …   Deutsch Wörterbuch

  • ILLUSION — ILLUSI Métaphoriquement dérivé de la réduction psychologique des enchantements magiques et des découvertes de l’optique géométrique, couronnant, avec Kant, la critique relativiste de l’optimisme leibnizien, le concept moderne d’illusion a conquis …   Encyclopédie Universelle

  • illusion — ILLUSION. s. f. Apparence, ou artifice, dont on trompe un homme. Ce n est rien de solide, ce n est qu une illusion, une pure illusion, une belle illusion Il se dit plus ordinairement des tromperies que font les demons, en faisant paroistre aux… …   Dictionnaire de l'Académie française

  • Illusion — Il*lu sion, n. [F. illusion, L. illusio, fr. illudere, illusum, to illude. See {Illude}.] 1. An unreal image presented to the bodily or mental vision; a deceptive appearance; a false show; mockery; hallucination. [1913 Webster] To cheat the eye… …   The Collaborative International Dictionary of English

  • Illusion — Sf std. (18. Jh.) Entlehnung. Entlehnt aus frz. illusion und l. illūsio ( ōnis), dieses zu l. illūdere (illūsum) täuschen, betrügen, verspotten , zu l. lūdere (lūsum) Possen treiben, spielen, täuschen und l. in . Adjektiv: illusorisch;… …   Etymologisches Wörterbuch der deutschen sprache

  • illusion — [i lo͞o′zhən] n. [ME illusioun < OFr illusion < L illusio, a mocking (in LL(Ec), deceit, illusion) < illusus, pp. of illudere, to mock, play with < in , on + ludere, to play: see LUDICROUS] 1. a false idea or conception; belief or… …   English World dictionary

  • Illusion — Illusion, (v. lat.), 1) Betrug, Täuschung der Sinne; 2) täuschende Nachahmung, bei allen Kunstwerken, deren Absicht auf Nachahmung der Natur geht, ein unerläßliches Erforderniß. Daher Illusorisch, was die Illusion befördert; täuschend …   Pierer's Universal-Lexikon

  • illusion — I (deception) noun aberration, distortion, fallacy, false impression, misbelief, misconception, prestidigitation II (impression) noun apparition, artifice, chimera, daydream, deception, delusion, dream, figment, hallucination, masquerade, mirage …   Law dictionary

  • illusion — (n.) mid 14c., act of deception, from O.Fr. illusion a mocking, deceit, deception (12c.), from L. illusionem (nom. illusio) a mocking, jesting, irony, from illudere mock at, lit. to play with, from assimilated form of in at, upon (see IN (Cf. in… …   Etymology dictionary

  • Illusion — »Wunschbild, Selbsttäuschung«: Das Fremdwort wurde im 17. Jh. aus gleichbed. frz. illusion entlehnt, das auf lat. illusio »Verspottung, Täuschung; eitle Vorstellung« zurückgeht. Dies gehört zu lat. il ludere (< inludere) »hinspielen, sein… …   Das Herkunftswörterbuch

  • illusion — [n] false appearance; false belief apparition, bubble*, chimera, confusion, daydream, deception, déjè vu*, delusion, error, fallacy, false impression, fancy, fantasy,  figment of imagination*, fool’s paradise*, ghost, hallucination, head trip*,… …   New thesaurus

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