4
influence(noun, feeling, power, cause, strength)
4
invitation(noun, charge, cause, boost, spur)
4
kick(noun, charge, drive, cause, desire)
4
motivator(noun, cause, incentive, motive, instigator)
4
occasion(noun, cause, reason, object, purpose)
4
provocative
4
reason(noun, feeling, drive, cause, desire)
4
reward(noun, support, help, praise, cheer)
3
agitation(noun, feeling, pleasure, rage, stir)
3
animation(noun, support, help, feeling, praise)
3
elicitation(noun, cause)
3
evocation(noun, cause)
3
input
3
lift(noun, help, praise, boost, cheer)
3
premium
3
propellant(noun, charge, cause, boost, spur)
3
root(noun, cause, reason, object, source)
3
signal
3
source(noun, cause, upwelling)
3
stimulator(noun, cause)
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APASmart Define. (2015). stimulus thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/stimulus/thesaurus/synonyms
ChicagoSmart Define. 2015. "stimulus thesaurus" https://smartdefine.org/stimulus/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, stimulus thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/stimulus/thesaurus/synonyms>.
MLASmart Define. "stimulus thesaurus" 24 December 2015. Web. 20 September 2026. <https://smartdefine.org/stimulus/thesaurus/synonyms>