Assert
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 Assert. (2016). Retrieved 2026, August 10, from https://thesaurus.plus/related/assert/avouch
Assert & Avouch. N.p., 2016. Web. 10 Aug. 2026. <https://thesaurus.plus/related/assert/avouch>.
Avouch or Assert. 2016. Accessed August 10, 2026. https://thesaurus.plus/related/assert/avouch.
Google Ngram Viewer shows how "assert" and "avouch" have occurred on timeline