From Longman Dictionary of Contemporary Englishpsychoactivepsy‧cho‧ac‧tive /ˌsaɪkəʊˈæktɪv◂ $ -koʊ-/ adjective psychoactive drugs have an effect on your mind
Examples from the Corpus
psychoactive• Neurotransmission can be affected in several ways by psychoactive drugs and poisons.• Why do more than a hundred species go to the trouble of manufacturing this one psychoactive molecule?• There is evidence that, in the kivas at least, psychoactive plants may have been ingested. 