Certify
Cosign
Cosign verb - Sign jointly.
Certify and cosign are semantically related in pledge topic. You can use "Certify" instead a verb "Cosign", if it concerns topics such as give assurance.
Mutual synonyms
Cite this Source
Cosign and Certify. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/certify/cosign
Certify & Cosign. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/certify/cosign>.
Cosign or Certify. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/certify/cosign.
Google Ngram Viewer shows how "certify" and "cosign" have occurred on timeline