Able and Efficacious

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Able adjective - Having the required skills for an acceptable level of performance.

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Efficacious and able are semantically related. In some cases you can use "Efficacious" instead an adjective "Able".

Nearby Word: ability

Efficacious adjective - Producing or capable of producing a desired result.

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Able and efficacious are semantically related. Sometimes you can use "Able" instead an adjective "Efficacious".

Cite this Source

Efficacious and Able. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/able/efficacious

Able & Efficacious. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/able/efficacious>.

Efficacious or Able. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/able/efficacious.

Google Ngram Viewer shows how "able" and "efficacious" have occurred on timeline