Synonyms|27Antonyms|30|Broader|4Narrower|0Related|65
8
efficacy(noun, affect, efficiency, productiveness)
6
efficiency(noun, affect)
4
effectiveness(noun, affect)
3
effectuality(noun, effect, affect)
3
effectualness(noun, affect)
3
potency(noun, affect)
2
effect(noun, affect)
1
capability
1
efficacious
1
efficacity
1
functionality
0
agency
0
authority
0
effectivity
0
effort
0
emphasis
0
energy
0
force
0
forcefulness
0
heart
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APASmart Define. (2015). efficaciousness thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/efficaciousness/thesaurus/synonyms
ChicagoSmart Define. 2015. "efficaciousness thesaurus" https://smartdefine.org/efficaciousness/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, efficaciousness thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/efficaciousness/thesaurus/synonyms>.
MLASmart Define. "efficaciousness thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/efficaciousness/thesaurus/synonyms>