You searched for: “psychoactive”
psychoactive (adjective), more psychoactive, most psychoactive
In pharmacology, relating to something that affects the mental state or mind: Such drug as LSD or DM have psychoactive effects.

Some medicines or drugs possess psychoactive abilities to alter mood, anxiety, behavior, cognitive processes, or mental tension.

This entry is located in the following units: ag-, agen-, act-, agi-, agit- (page 13) psych-, psycho-, -psyche, -psychic, -psychical, -psychically (page 7)