Avow
Certify
Certify verb - To declare (something) to be true or genuine.
Usage example: experts certified the letter as indeed having been written by Abraham Lincoln
Avow and certify are semantically related in confirm topic. Sometimes you can use "Avow" instead a verb "Certify", if it concerns topics such as declare as true.
Mutual synonyms
Cite this Source
Certify and Avow. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/avow/certify
Avow & Certify. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/avow/certify>.
Certify or Avow. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/avow/certify.
Google Ngram Viewer shows how "avow" and "certify" have occurred on timeline