Authenticate and Undersign

Authenticate

Authenticate verb - To declare (something) to be true or genuine.

Undersign and authenticate are semantically related. In some cases you can use "Undersign" instead a verb "Authenticate".

Undersign

Undersign verb - Sign at the bottom of (a document).
Show all Definitions
Synonyms for Undersign

Authenticate and undersign are semantically related. Sometimes you can use "Authenticate" instead a verb "Undersign".

Nearby Words: undersigned, undersigning
Cite this Source
Undersign and Authenticate. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/authenticate/undersign
Authenticate & Undersign. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/authenticate/undersign>.
Undersign or Authenticate. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/authenticate/undersign.
Google Ngram Viewer shows how "authenticate" and "undersign" have occurred on timeline