illusion
UK /ɪˈl(j)uːʒ(ə)n/ · US [ɪˈluː.ʒən] noun
Forms illusions
- noun (psychology, countable) A distortion of sensory perception where real stimuli lead to a false or misleading impression of reality. “We saw what looked like a tiger among the trees, but it was an illusion caused by the shadows of the branches.”
- noun (countable) A misapprehension; a belief in something that is in fact not true. “Jane has this illusion that John is in love with her.”
- noun (countable) A magician’s trick.
- noun (uncountable) The state of being deceived or misled.
Synonyms
misapprehension misbelief misconception mirage phantom delusion semblance fantasy phantasy fancy head game magic trick conjuring trick trick magic legerdemain conjuration thaumaturgy deception
Etymology
From Old French illusion, from Latin illūsiō, from illūdere, from in- (“at, upon”) + lūdere (“to play, mock, trick”). Displaced native Old English dwimmer.
Webster’s 1913
- noun An unreal image presented to the bodily or mental vision; a deceptive appearance; a false show; mockery; hallucination.
- noun Hence: Anything agreeably fascinating and charning; enchantment; witchery; glamour.
Etymology [F. illusion, L. illusio, fr. illudere, illusum, to illude. See Illude.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “illusion”, CC BY-SA 4.0. Details