1) Psychoactive 2) Psychotropic 
Synonym for psychodelic ... A property of a drug or chemical which produces hallucinations or other bizarre aberrations in mental functioning. ... Synonym: hallucinogenic. ... (05 Mar 2000) ... 
causing delusions and visions
Type: Term Pronunciation: ha-lū′si-nō-jen′ik Synonyms: psychedelic
Hallucinogenic: 1. As an adjective: Producing hallucinations. From hallucino- + -genic, a word ending meaning producing. 2. As a noun: A drug that induces hallucinations. (This is incorrect usage; the noun is hallucinogen.)
[adj] - capable of producing hallucinations
adjective capable of producing hallucinations; `LSD is a powerful hallucinogenic drug`