Certify and Corroborate

Certify

Certify verb - To give evidence or testimony to the truth or factualness of.
Usage example: please bring in a doctor's note to certify that you were really sick

Corroborate is a synonym for certify in verify topic. In some cases you can use "Corroborate" instead a verb "Certify", when it comes to topics like confirm, activity, establish, declare as true. popular alternative

Corroborate

Corroborate verb - To give evidence or testimony to the truth or factualness of.
Usage example: the witnesses corroborated the policeman's testimony

Certify is a synonym for corroborate in confirm topic. You can use "Certify" instead a verb "Corroborate", if it concerns topics such as activity, establish, verify, story. popular alternative

Cite this Source
Corroborate and Certify. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/certify/corroborate
Certify & Corroborate. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/certify/corroborate>.
Corroborate or Certify. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/certify/corroborate.
Google Ngram Viewer shows how "certify" and "corroborate" have occurred on timeline