418 entries under noun topic. ×

2
interest(drive, pleasure, desire, reason)
2
irritation
2
justification(insult, affront, incitement, goading)
2
mainspring(feeling, cause, reason, object)
2
momentum(trouble, power, strength, push)
2
motivating force
2
motive power(expression, pressure, propulsion)
2
origination
2
persuasion(drive, desire, reason, interest)
2
perturbation(feeling, pleasure, rage, stir)
2
prompting
2
reassurance(support, help, praise, cheer)
2
reinforcement(help, praise, cheer, inspiration)
2
spark plug(expression, drug, spur, incentive)
2
spring(cause, reason, object, spur)
2
sting(charge, cause, boost, informal)
2
support(help, praise, cheer, comfort)
2
sweetener(lure, bribe, incentive, bait)
2
whip(reason, stick, spur, lure)
1
activity(feeling, pleasure, passion, rage)
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APASmart Define. (2015). stimulus thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/stimulus/thesaurus/synonyms
ChicagoSmart Define. 2015. "stimulus thesaurus" https://smartdefine.org/stimulus/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, stimulus thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/stimulus/thesaurus/synonyms>.
MLASmart Define. "stimulus thesaurus" 24 December 2015. Web. 28 September 2026. <https://smartdefine.org/stimulus/thesaurus/synonyms>