Synonyms for Stimulant:

adj.

all (adjective)
stimulating.

n.

aspartame, albumin, additive, curd, carbohydrate, caffeine, butterfat, coloring, ascorbic acid, colouring. encouragement, coolant, propellant, salts, lubricant, inducement, motivation, tracer, impetus, Stimulator, diuretic, prod, push, grease, impulse, incentive, thickener, spur, infill, cause, fillip. nourishment, prompt, persuasion. cognition (noun)
input, stimulus, stimulation.
stimulant (noun)
stimulant drug, input, stimulative, stimulating, stimulation, stimulus.
substance that invigorates (noun)
energizer, incentive, impetus, bracer, spur, motivation, impulse, drug, stimulus.
tonic (noun)
bracer, energizer, drug.

Other synonyms:

diuretic, coolant, thickener, Stimulator. inducement, propellant, lubricant, impetus, tracer, spur, nourishment, incentive, infill. impulse, fillip, motivation, persuasion. encouragement, prod, grease. prompt. push. Other relevant words:
drug, caffeine, persuasion, Stimulator, inducement, incentive, motivation, push, fillip, spur, diuretic, nourishment, prod, energizer, impetus, impulse, propellant, prompt, infill, bracer, encouragement.

Usage examples for stimulant

  1. In many cases they have needed the very active stimulant of hunger. – Methods of Authors by Hugo Erichsen
  2. If constructed by private capital the stimulant and the check go together and furnish a salutary restraint against speculative schemes and extravagance. – Complete State of the Union Addresses from 1790 to the Present by Various
  3. Unlike the calm blood of Englishmen, ours rushes swiftly through our veins- it is warm as wine and sunlight, and needs no fictitious stimulant – Vendetta A Story of One Forgotten by Marie Corelli