1. (n.) An energizer; that which provokes or excites -- usually meaning a drug\.

2. (n.) An agent which produces a temporary increase of vital activity in the organism, or in any of its parts; -- sometimes used without qualification to signify an alcoholic beverage used as a stimulant.

Adrenalin Benzedrine Benzedrine pill C Dexamyl Dexamyl pill Dexedrine Dexedrine pill Methedrine activator aloes ammonium carbonate amphetamine amphetamine sulfate amphetamine sulphate animator antidepressant arouser benzoin bracer caffeine catalyst chocolate cocaine cocoa coffee coke colocynth crystal desoxyephedrine dextroamphetamine sulfate draw drive energizer fillip football goad heart human dynamo impetus impulse incentive incitation incitement jolly bean kola kola nut life methamphetamine hydrochloride motivating force motivation motive power pep pill pick-me-up prod prompt provocation pull purple heart push quinine restorative snow spark plug speed spur stimulator stimulus strychnine tea tonic upper urge