7
encouragement(noun, charge, drive, cause, reason)
7
inducement(noun, charge, drive, cause, desire)
7
prod(noun, charge, cause, push, boost)
7
stimulation(noun, charge, cause, start, reason)
6
catalyst(noun, activity, force, charge, drive)
6
enthusiasm(noun, drive, inspiration, incentive)
6
inspiration(noun, drive, desire, reason, interest)
6
instigation(noun, charge, drive, cause, desire)
6
velocity(noun, trouble, force, power, strength)
5
boost(noun, break, charge, cause, push)
5
enabler
5
incitation(noun, force, charge, drive, cause)
4
compulsion(noun, trouble, drive, power, passion)
4
drift
4
fillip(noun, charge, cause, boost, spur)
4
provocation(noun, charge, drive, cause, desire)
4
shock(noun, push, pressure, thrust, stimulus)
4
surge(noun, push, pressure, thrust, stimulus)
3
enterprise(noun, drive, push, energy, vigor)
3
get-up-and-go(noun, drive, push, energy, vigor)
10 years ago|15k views|share |citing 
APASmart Define. (2016). impetus thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/impetus/thesaurus/synonyms
ChicagoSmart Define. 2016. "impetus thesaurus" https://smartdefine.org/impetus/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, impetus thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/impetus/thesaurus/synonyms>.
MLASmart Define. "impetus thesaurus" 30 March 2016. Web. 23 September 2026. <https://smartdefine.org/impetus/thesaurus/synonyms>