100 entries under spur topic. ×

8
urge(noun, feeling, start, pleasure, passion)
6
drive(noun, feeling, power, cause, passion)
6
incitation(noun, charge, drive, cause, drug)
6
urging(noun, support, help, charge, cause)
5
arousal(noun, start, excitement, influence, idea)
5
determinant(noun, cause, reason, object)
5
enticement(noun, reason, encouragement, lure)
5
ground(noun, reason, lure, motivation)
4
bait(noun, reason, encouragement, lure)
4
carrot(noun, reason, encouragement, lure)
4
influence(noun, feeling, power, cause, strength)
4
invitation(noun, charge, cause, boost)
4
kick(noun, charge, drive, cause, desire)
4
reason(noun, feeling, drive, cause, desire)
3
propellant(noun, charge, cause, boost)
3
tonic(noun, drug, boost, upper)
2
bang(noun, charge, cause, boost, informal)
2
charge(noun, cause, boost, incentive)
2
come-on(noun, reason, encouragement, lure)
2
consideration(noun, cause, reason, object)
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APASmart Define. (2015). stimulus thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/stimulus/thesaurus/synonyms
ChicagoSmart Define. 2015. "stimulus thesaurus" https://smartdefine.org/stimulus/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, stimulus thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/stimulus/thesaurus/synonyms>.
MLASmart Define. "stimulus thesaurus" 24 December 2015. Web. 25 September 2026. <https://smartdefine.org/stimulus/thesaurus/synonyms>