excitant

ex·ci·tant  (k-stnt)

adj.

Tending to excite; stimulating.

n.

An agent or stimulus that excites; a stimulant.

Thesaurus

Noun	1.	excitant - a drug that temporarily quickens some vital process stimulant drug, stimulant amphetamine, pep pill, upper, speed - a central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depression analeptic - a medication used as a stimulant to the central nervous system aphrodisiac - a drug or other agent that stimulates sexual desire butyl nitrite, isobutyl nitrite - a colorless pungent liquid sometimes used as a stimulant drug by drug abusers drug - a substance that is used as a medicine or narcotic kat, khat, qat, quat, African tea, Arabian tea, cat - the leaves of the shrub Catha edulis which are chewed like tobacco or used to make tea; has the effect of a euphoric stimulant; "in Yemen kat is used daily by 85% of adults" methylphenidate, Ritalin - central nervous system stimulant (trade name Ritalin) used in the treatment of narcolepsy in adults and attention deficit disorder in children popper - a container of stimulant drug (amyl nitrate or butyl nitrite)
Adj.	1.	excitant - (of drugs e.g.) able to excite or stimulate excitative, excitatory stimulative - capable of arousing or accelerating physiological or psychological activity or response by a chemical agent