Authenticate and Authorize

Authenticate

Authenticate verb - To declare (something) to be true or genuine.

Authorize is a synonym for authenticate in verify topic. In some cases you can use "Authorize" instead a verb "Authenticate", when it comes to topics like genuine.

Authorize

Authorize verb - To give official or legal power to.

Authenticate is a synonym for authorize. Sometimes you can use "Authenticate" instead a verb "Authorize".

Cite this Source
Authorize and Authenticate. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/authenticate/authorize
Authenticate & Authorize. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/authenticate/authorize>.
Authorize or Authenticate. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/authenticate/authorize.
Google Ngram Viewer shows how "authenticate" and "authorize" have occurred on timeline