Certify and Declare

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

Declare is a synonym for certify in speech topic. In some cases you can use "Declare" instead a verb "Certify", when it comes to topics like confirm.

Declare

Declare verb - To make known openly or publicly.

Certify is a synonym for declare in assert topic. Sometimes you can use "Certify" instead a verb "Declare", if it concerns topics such as testify, make known clearly or officially.

Common collocations

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