hallucinate Meaning, Definition & Usage

  1. verb perceive what is not there; have illusions

WordNet

Hal*lu"ci*nate intransitive verb
Etymology
L. hallucinatus, alucinatus, p. p. of hallucinari, alucinari, to wander in mind, talk idly, dream.
Definitions
  1. To wander; to go astray; to err; to blunder; -- used of mental processes. R. Byron.

Webster 1913