Effectualness and Efficaciousness

Effectualness

Effectualness noun - The power to produce a desired result.
Usage example: the effectualness of that new cancer treatment has yet to be proven

Efficaciousness and effectualness are semantically related in affect topic. In some cases you can use "Efficaciousness" instead a noun "Effectualness", when it comes to topics like effect.

Efficaciousness

Efficaciousness noun - The power to produce a desired result.
Usage example: the debatable efficaciousness of many of the campaigns aimed at reducing smoking among teenagers

Effectualness and efficaciousness are semantically related in affect topic. You can use "Effectualness" instead a noun "Efficaciousness", if it concerns topics such as effect.

Cite this Source
Efficaciousness and Effectualness. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/effectualness/efficaciousness
Effectualness & Efficaciousness. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/effectualness/efficaciousness>.
Efficaciousness or Effectualness. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/effectualness/efficaciousness.
Google Ngram Viewer shows how "effectualness" and "efficaciousness" have occurred on timeline