Avow
Attest
Attest verb - To declare (something) to be true or genuine.
Usage example: the appraiser attests that the lamp is indeed an original Tiffany
Mutual synonyms
Cite this Source
Attest and Avow. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/avow/attest
Avow & Attest. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/avow/attest>.
Attest or Avow. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/avow/attest.
Google Ngram Viewer shows how "avow" and "attest" have occurred on timeline