psychotropic agent

English Thesaurus

1. a chemical substance that can influence human consciousness (noun.artifact)

hypernym	:	drug,
definition	:	a substance that is used as a medicine or narcotic (noun.artifact)

hyponym	:	antianxiety agent, ataractic, ataractic agent, ataractic drug, tranquilizer, tranquilliser, tranquillizer,
definition	:	a drug used to reduce stress or tension without reducing mental clarity (noun.artifact)