Affirm and Authorize

Affirm

Affirm verb - To state as a fact usually forcefully.

Authorize is a synonym for affirm in approve topic. In some cases you can use "Authorize" instead a verb "Affirm", when it comes to topics like ratify.

Authorize

Authorize verb - To give official or legal power to.
Usage example: only the school nurse is authorized to give any necessary shots

Affirm is a synonym for authorize in approve topic. Sometimes you can use "Affirm" instead a verb "Authorize", if it concerns topics such as permit, ratify.

Cite this Source
Authorize and Affirm. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/affirm/authorize
Affirm & Authorize. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/affirm/authorize>.
Authorize or Affirm. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/affirm/authorize.
Google Ngram Viewer shows how "affirm" and "authorize" have occurred on timeline