3
vitality(noun, go, style, drive, power)
3
well-timedness(noun, expedience)
2
acme
2
action(functioning, execution, implementation)
2
adequacy(noun, performance, power, energy, ability)
2
authorisation
2
bite(noun, drive, power, strength, energy)
2
capableness(performance, energy, virtue, worth, potency)
2
command(force, power, strength)
2
competence(noun, power, strength, energy, ability)
2
compulsion(noun, power, strength, energy, vigor)
2
control(force, power, strength)
2
convincingness(noun, force, power, strength, intensity)
2
drive(noun, activity, go, style, power)
2
duress(noun, power, strength, energy, vigor)
2
edge
2
effective
2
expediency(noun, worth, practicality, usefulness, helpfulness)
2
guts(noun, drive, power, strength, energy)
2
helpfulness(noun, order, benefit, use, advantage)
10 years ago|6.6k views|share |citing 
APASmart Define. (2016). effectiveness thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/effectiveness/thesaurus/synonyms
ChicagoSmart Define. 2016. "effectiveness thesaurus" https://smartdefine.org/effectiveness/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, effectiveness thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/effectiveness/thesaurus/synonyms>.
MLASmart Define. "effectiveness thesaurus" 25 February 2016. Web. 22 September 2026. <https://smartdefine.org/effectiveness/thesaurus/synonyms>