Aver
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
Mutual synonyms
Cite this Source
Avouch and Aver. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/aver/avouch
Aver & Avouch. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/aver/avouch>.
Avouch or Aver. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/aver/avouch.
Google Ngram Viewer shows how "aver" and "avouch" have occurred on timeline