55 entries under efficacy topic. ×

4
readiness(noun, power, strength, knowledge, ability)
4
strength(noun, force, quality, power, energy)
3
effectiveness(noun, power, strength, energy, ability)
3
energy(noun, force, drive, power, strength)
3
puissance(noun, force, drive, power, strength)
2
abundance(noun, plenty, proficiency, effectiveness)
2
resourcefulness(noun, power, capacity, proficiency)
2
vigor(noun, force, power, strength, energy)
1
arm(noun, control, force, power, strength)
1
clout(noun, force, power, strength, energy)
1
forcefulness(noun, force, power, strength, energy)
1
forcibleness(force, power, strength, ability, potency)
1
lustiness(force, power, strength, ability, potency)
1
muscle(noun, force, power, strength, energy)
1
peppiness(force, power, strength, ability, potency)
1
performance(virtue, worth, potency, efficiency)
1
powerfulness(force, power, strength, ability, potency)
1
punch(noun, force, power, strength, energy)
1
qualifiedness(noun, control, force, power, strength)
1
sinew(noun, control, force, power, strength)
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APASmart Define. (2015). competence thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/competence/thesaurus/synonyms
ChicagoSmart Define. 2015. "competence thesaurus" https://smartdefine.org/competence/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, competence thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/competence/thesaurus/synonyms>.
MLASmart Define. "competence thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/competence/thesaurus/synonyms>