hallucinate

• POS: Verb (intransitive)
• HYPHEN: hal=lu=ci=nate

CIDE DICTIONARY

hallucinate, v. i. [L. hallucinatus, alucinatus, p. p. of hallucinari, alucinari, to wander in mind, talk idly, dream.].

•  To wander; to go astray; to err; to blunder; -- used of mental processes.  Byron.  [1913 Webster]
•  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]

hallucinate, v. t. 

 To experience (something nonexistent) as an hallucination{2}.  [PJC]

OXFORD DICTIONARY

hallucinate, v.
1 tr. produce illusions in the mind of (a person).
2 intr. experience hallucinations.

Derivative

hallucinant adj. & n. hallucinator n.

Etymology

L (h)allucinari wander in mind f. Gk alusso be uneasy