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
Testify to and certify are semantically related. in verify topic. In some cases you can use "Testify to" instead a verb "Certify".
Testify to
Testify to verb - To declare (something) to be true or genuine.
Usage example: that auction house will always testify to a painting's authenticity
Certify and testify to are semantically related. Sometimes you can use "Certify" instead a verb "Testify to".
Mutual synonyms
Related pairs
Cite this Source
Testify to and Certify. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/certify/testify_to
Certify & Testify to. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/certify/testify_to>.
Testify to or Certify. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/certify/testify_to.
Google Ngram Viewer shows how "certify" and "testify to" have occurred on timeline