Meaning of illusionism

il•lu•sion•ism

Pronunciation: (i-l'zhu-niz"um), [key]
— n.
  1. a technique of using pictorial methods in order to deceive the eye. Cf. trompe l'oeil.
  2. a theory or doctrine that the material world is an illusion.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.