n.
Pronunciation: i- ' lü-zh ə n
Function: noun
Etymology: Middle English, from Anglo-French, from Late Latin illusion-, illusio, from Latin, action of mocking, from illudere to mock at, from in- + ludere to play, mock ― more at LUDICROUS
Date: 14th century
1 a obsolete : the action of deceiving b (1) : the state or fact of being intellectually deceived or misled : MISAPPREHENSION (2) : an instance of such deception
2 a (1) : a misleading image presented to the vision (2) : something that deceives or misleads intellectually b (1) : perception of something objectively existing in such a way as to cause misinterpretation of its actual nature (2) : HALLUCINATION 1 (3) : a pattern capable of reversible perspective
3 : a fine plain transparent bobbinet or tulle usually made of silk and used for veils, trimmings, and dresses
synonyms see DELUSION
– il · lu · sion · al \ - ' lüzh-n ə l, - ' lü-zh ə -n ə l \ adjective
illusion