Certify and Warrant

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

Warrant is a synonym for certify in obligation topic. In some cases you can use "Warrant" instead the word "Certify" as a verb or a noun, when it comes to topics like guarantee, verify, accredit, affirm. popular alternative

Warrant

Warrant verb - To assume responsibility for the satisfactory quality or performance of.
Usage example: the computer company unconditionally warrants all of its products for one full year

Certify is a synonym for warrant in guarantee topic. You can use "Certify" instead the word "Warrant" as a verb or a noun, if it concerns topics such as obligation, affirm, legalize. popular alternative

Common collocations

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