/həˌlusəˈneɪʃən/ Show Spelled Pronunciation [huh-loo-suh-ney-shuhn]
1. a sensory experience of something that does not exist outside the mind, caused by various physical and mental disorders, or by reaction to certain toxic substances, and usually manifested as visual or auditory images.
2. the sensation caused by a hallucinatory condition or the object or scene visualized.
3. a false notion, belief, or impression; illusion; delusion.
1640–50; < L hallūcinātiōn- (s. of (h)allūcinātiō) a wandering of the mind. See hallucinate, -ion
hal⋅lu⋅ci⋅na⋅tion⋅al, hal⋅lu⋅ci⋅na⋅tive /həˈlusəˌneɪtɪv, -nətɪv/ Show Spelled Pronunciation [huh-loo-suh-ney-tiv, -nuh-tiv] Show IPA , adjective
1. phantasm, aberration. See illusion.
This just in: Hallucinogenic drugs make you hallucinate. Film at 11.
"Those who can make you believe absurdities can make you commit atrocities"