Efficacious and Favorable

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

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

Favorable adjective - Expressing approval.

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Efficacious and favorable are semantically related. Sometimes you can use "Efficacious" instead an adjective "Favorable".

Cite this Source

Favorable and Efficacious. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/efficacious/favorable

Efficacious & Favorable. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/efficacious/favorable>.

Favorable or Efficacious. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/efficacious/favorable.

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