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
Noun
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SROs have been controversial, with critics doubting on-campus law enforcement’s efficacy in responding to school shootings.—
Jennah Pendleton, Sacbee.com, 16 Apr. 2026
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The upper chamber’s proposal would also have required health care workers to show parents information created by the state medical board about a vaccine’s risks, benefits, safety and efficacy.— Garrett Shanley, Miami Herald, 15 Apr. 2026
Noun
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This integration enhances operational effectiveness and allows forces to maintain strategic advantage in contested environments.— Prabhat Ranjan Mishra, Interesting Engineering, 20 Apr. 2026
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The real challenge is understanding which tech priorities actually move the business forward and strengthen team culture and effectiveness.— Rolling Stone Culture Council, Rolling Stone, 20 Apr. 2026
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“Efficaciousness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.grautoblog.com/thesaurus/efficaciousness. Accessed 24 Apr. 2026.
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