Confirm
Confirm verb - To give evidence or testimony to the truth or factualness of.
Usage example: several eyewitnesses who can confirm the defendant's account of what happened
Testify is a synonym for confirm in support topic. In some cases you can use "Testify" instead a verb "Confirm", when it comes to topics like affirm.
Testify
Testify verb - To make a solemn declaration under oath for the purpose of establishing a fact.
Confirm is a synonym for testify in support topic. You can use "Confirm" instead a verb "Testify", if it concerns topics such as be evidence of.
Mutual synonyms
Common collocations
Cite this Source
Testify and Confirm. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/confirm/testify
Confirm & Testify. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/confirm/testify>.
Testify or Confirm. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/confirm/testify.
Google Ngram Viewer shows how "confirm" and "testify" have occurred on timeline