euphoriant

nouns

a psychoactive drug that tends to produce elation and euphoria
euphoriant
is a type of (narrower)
a drug that can produce mood changes and distorted perceptions
consciousness-altering drug, mind-altering drug, psychoactive drug, psychoactive substance

adjectives

tending to produce euphoria
euphoriant
is similar to
exaggerated feeling of well-being or elation
euphoric