Synonyms|428Antonyms|78|Broader|9Narrower|13Related|102
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accompany
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accomplishment(functioning, execution, implementation)
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account(practicality, usefulness, helpfulness)
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achievement(functioning, execution, implementation)
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achieving
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action(functioning, execution, implementation)
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adaptability(performance, energy, skill, readiness, competence)
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address(skill, readiness, practicality, usefulness, competence)
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adhere
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adiposity(mass, heaviness, bulk)
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administration(functioning, execution, implementation)
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adopt
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advantage(worth, practicality, usefulness, helpfulness)
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advantageousness(practicality, usefulness, helpfulness, serviceableness)
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afford
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aid
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apothecaries' weight(expression, idiom)
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apply
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appropriateness(practicality, usefulness, helpfulness)
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aptitude(noun, power, ability, skill, means)
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APASmart Define. (2015). efficacy thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/efficacy/thesaurus/synonyms
ChicagoSmart Define. 2015. "efficacy thesaurus" https://smartdefine.org/efficacy/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, efficacy thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/efficacy/thesaurus/synonyms>.
MLASmart Define. "efficacy thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/efficacy/thesaurus/synonyms>