Certify and Support

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

Support is a synonym for certify in bear witness to topic. In some cases you can use "Support" instead a verb "Certify".

Support

Support verb - To give evidence or testimony to the truth or factualness of.
Usage example: new evidence supports the original researchers' unexpected conclusions

Certify is a synonym for support. Sometimes you can use "Certify" instead a verb "Support".

Common collocations

people certify people support people
Cite this Source
Support and Certify. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/certify/support
Certify & Support. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/certify/support>.
Support or Certify. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/certify/support.
Google Ngram Viewer shows how "certify" and "support" have occurred on timeline