Authenticate and Avouch

Authenticate

Authenticate verb - To declare (something) to be true or genuine.
Usage example: a jeweler authenticated the diamond as real

Avouch and authenticate are semantically related. in verify topic. In some cases you can use "Avouch" instead a verb "Authenticate".

Avouch

Avouch verb - To declare (something) to be true or genuine.
Usage example: a note from my doctor avouching that my medical condition did indeed disqualify me from gym class

Authenticate and avouch are semantically related. Sometimes you can use "Authenticate" instead a verb "Avouch".
Cite this Source
Avouch and Authenticate. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/authenticate/avouch
Authenticate & Avouch. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/authenticate/avouch>.
Avouch or Authenticate. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/authenticate/avouch.
Google Ngram Viewer shows how "authenticate" and "avouch" have occurred on timeline