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
Testify
Testify verb - To make a solemn declaration under oath for the purpose of establishing a fact.
Mutual synonyms
Cite this Source
Testify and Avouch. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/avouch/testify
Avouch & Testify. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/avouch/testify>.
Testify or Avouch. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/avouch/testify.
Google Ngram Viewer shows how "avouch" and "testify" have occurred on timeline