Synonyms of the word

psychoactive

• adj. (pharmacology) Affecting the mind or mental processes.
• n. (pharmacology) Any drug that affects the mind or mental processes.

hallucinogenic

• adj. producing hallucinations.
• n. a substance that is a hallucinogen.

mind-altering

• adj. (of a drug) Which alters the way someone's mind works.

mind-bending

• adj. Hallucinogenic.
• adj. Mentally taxing.

mind-blowing

• adj. hallucinogenic.
• adj. having an overwhelming effect on the imagination; mind-boggling.

psychedelic

• adj. Of, containing, generating, or reminiscent of drug-induced hallucinations, distortions of perception,…
• adj. (of graphics, etc.) Having bright colours, abstract shapes, etc. reminiscent of drug-induced hallucinations…
• n. Any psychoactive substance (such as LSD or psilocybin) which, when consumed, causes perceptual changes…
• interj. (hippie slang) awesome, cool, groovy.

psychotropic

• adj. (pharmacology) Affecting the mind or mental processes.
• n. (pharmacology) A psychotropic drug or agent.