THESAURUS
stimulus
activator, aggravation, agitation, animation, animator, antecedents, arousal, arouser, arousing, bait, base, basis, boost, bribe, call, carrot, catalyst, causation, cause, cause and effect, determinant, determinative, electrification, element, encouragement, energizer, etiology, exacerbation, exasperation, excitation, excitement, exhilaration, factor, fillip, fomentation, galvanization, goad, ground, grounds, human dynamo, impetus, impulse, incentive, incitation, incitement, inducement, inflammation, infuriation, instigation, interest, invitation, irritation, lathering up, life, lure, motivating force, motivation, motive, motive power, occasion, payment, percentage, persuasive, perturbation, principle, profit, propellant, provocation, provocative, push, restorative, reward, spark plug, spur, steaming up, stimulant, stimulation, stimulative, stimulator, stirring, stirring up, sweetener, sweetening, tonic, urging, whet, whipping up, working up
ROGET THESAURUS
stimulus
Motive
N
motive, springs of action, wellsprings of action, reason, ground, call, principle, by end, by purpose, mainspring, primum mobile, keystone, the why and the wherefore, pro and con, reason why, secret motive, arriere pensee, intention, inducement, consideration, attraction, loadstone, magnet, magnetism, magnetic force, allectation, allective, temptation, enticement, agacerie, allurement, witchery, bewitchment, bewitchery, charm, spell, fascination, blandishment, cajolery, seduction, seducement, honeyed words, voice of the tempter, song of the Sirens forbidden fruit, golden apple, persuasibility, persuasibleness, attractability, impressibility, susceptibility, softness, persuasiveness, attractiveness, tantalization, influence, prompting, dictate, instance, impulse, impulsion, incitement, incitation, press, instigation, provocation, inspiration, persuasion, suasion, encouragement, advocacy, exhortation, advice, solicitation, lobbyism, pull, incentive,
stimulus, spur, fillip, whip, goad, ankus, rowel, provocative, whet, dram, bribe, lure, decoy, decoy duck, bait, trail of a red herring, bribery and corruption, sop, sop for Cerberus, prompter, tempter, seducer, seductor, instigator, firebrand, incendiary, Siren, Circe, agent provocateur, lobbyist, impulsive, motive, suasive, suasory, persuasive, persuasory, hortative, hortatory, protreptical, inviting, tempting suasive, suasory, seductive, attractive, fascinating, provocative, induced, disposed, persuadable, spellbound, instinct with, smitten with, infatuated, inspired, by, because, therefore, from this motive, from that motive, for this reason, for that reason, for, by reason of, for the sake of, count of, out of, from, as, forasmuch as, for all the world, on principle, fax mentis incendium gloriae, temptation hath a music for all ears, to beguile many and be beguiled by one.