Avow
Avow verb - To state as a fact usually forcefully.
Substantiate and avow are semantically related. In some cases you can use "Substantiate" instead a verb "Avow".
Substantiate
Substantiate verb - To give evidence or testimony to the truth or factualness of.
Usage example: Mr. MacGregor couldn't substantiate that it was Peter, and not some other rabbit, in the cabbage patch
Avow and substantiate are semantically related. Sometimes you can use "Avow" instead a verb "Substantiate".
Mutual synonyms
Related pairs
Cite this Source
Substantiate and Avow. (2016). Retrieved 2026, August 12, from https://thesaurus.plus/related/avow/substantiate
Avow & Substantiate. N.p., 2016. Web. 12 Aug. 2026. <https://thesaurus.plus/related/avow/substantiate>.
Substantiate or Avow. 2016. Accessed August 12, 2026. https://thesaurus.plus/related/avow/substantiate.
Google Ngram Viewer shows how "avow" and "substantiate" have occurred on timeline