the doctrine that the external world exists only in illusory sense perceptions the use of highly illusory effects in art or decoration, esp the use of perspective in painting to create an impression of three-dimensional reality
WordReference Random House Unabridged Dictionary of American English © 2025
il•lu•sion•ism
(i lo̅o̅′zhə niz′əm),USA pronunciation n.
il•lu′sion•is′tic, adj.
- Fine Arta technique of using pictorial methods in order to deceive the eye. Cf. trompe l'oeil.
- Philosophya theory or doctrine that the material world is an illusion.
- illusion + -ism 1835–45
Collins Concise English Dictionary © HarperCollins Publishers::
'illusionism' also found in these entries (note: many are not synonyms or translations):