as in efficacy
the power to produce a desired result
the efficaciousness of exercise in improving physical as well as emotional well-being
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Recent Examples of Synonyms for efficaciousness
efficacy
Noun
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The close call, however, prompted Congress to require more rigorous safety and efficacy data from drug manufacturers and empower the FDA to monitor the industry more closely.—
David Armstrong,
ProPublica,
8 May 2025 -
To demand that every new formulation be tested against an inert placebo would mean turning back the clock to reproduce trials that may have taken place decades ago, but resulted in the licensing of the original vaccine after safety and efficacy were established.—
Michael Hiltzik,
Los Angeles Times,
8 May 2025
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“Efficaciousness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/efficaciousness. Accessed 18 May. 2025.
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