Certify
Co-sign
Co-sign verb - Sign jointly.
Certify and co-sign are semantically related in pledge topic. Sometimes you can use "Certify" instead a verb phrase "Co-sign", if it concerns topics such as give assurance.
Mutual synonyms
Cite this Source
Co-sign and Certify. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/certify/co-sign
Certify & Co-sign. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/certify/co-sign>.
Co-sign or Certify. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/certify/co-sign.