'Hallucinate' definitions:

Definition of 'hallucinate'

(from WordNet)
verb
Perceive what is not there; have illusions

Definition of 'Hallucinate'

From: GCIDE
  • Hallucinate \Hal*lu"ci*nate\ (h[a^]l*l[=u]"s[i^]*n[=a]t), v. i. [L. hallucinatus, alucinatus, p. p. of hallucinari, alucinari, to wander in mind, talk idly, dream.]
  • 1. To wander; to go astray; to err; to blunder; -- used of mental processes. [R.] --Byron. [1913 Webster]
  • 2. Specifically: To perceive a non-existent object or phenomenon; to believe that one is experiencing something which in reality does not exist; to experience a hallucination[2]. [PJC]

Definition of 'hallucinate'

From: GCIDE
  • hallucinate \hal*lu"ci*nate\ (h[a^]l*l[=u]"s[i^]*n[=a]t), v. t. To experience (something nonexistent) as an hallucination[2]. [PJC]