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hallucinate

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hal⋅lu⋅ci⋅nate

[huh-loo-suh-neyt] verb, -nat⋅ed, -nat⋅ing.
–verb (used without object)
1. to have hallucinations.
–verb (used with object)
2. to affect with hallucinations.

Origin:
1595–1605; < L hallūcinātus, ptp. of (h)allūcināri to wander in mind; see -ate 1


hal⋅lu⋅ci⋅na⋅tor, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To hallucinate
hal·lu·ci·nate   (hə-lōō'sə-nāt')   
v.   hal·lu·ci·nat·ed, hal·lu·ci·nat·ing, hal·lu·ci·nates

v.   intr.
To undergo hallucination.
v.   tr.
To cause to have hallucinations.

[Latin hallūcinārī, hallūcināt-, to dream, be deceived, variant of ālūcinārī.]
hal·lu'ci·na'tor n.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Origin & History

hallucinate 
1604, "deceive," from L. alucinatus, later hallucinatus, pp. of alucinari "wander (in the mind), dream," probably from Gk. alyein, Attic halyein "be distraught," probably related to alasthai "wander about." The L. ending probably was influenced by vaticinari "to prophecy," also "to rave." Sense of "to have illusions" is from 1652. Hallucination in the pathological/psychological sense of "seeing or hearing something which is not there" is first recorded 1646; distinct from illusion in not necessarily involving a false belief. Hallucinogen "drug which induces hallucinations" is first recorded 1954; hallucinogenic (adj.) in this sense is from 1952.
Online Etymology Dictionary, © 2001 Douglas Harper
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Medical Dictionary

Main Entry: hal·lu·ci·nate
Pronunciation: h&-'lüs-&n-"At
Function: verb
Inflected Forms: -nat·ed;-nat·ing
transitive senses
1 : to affect with visions or imaginary perceptions hallucinated>
2 : toperceive or experience as an hallucination hallucinate monsters or attackers —M. J. Horowitz> hallucinate intransitive senses
: to have hallucinations
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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