What is another word for avouches?
Pronunciation: [ɐvˈa͡ʊt͡ʃɪz] (IPA) 
Avouches is a term that refers to the act of asserting the truth of something. Synonyms for this word include affirm, declare, maintain, attest, and confirm. In some contexts, the word may also be used to describe taking responsibility for something or vouching for someone's character or qualifications. Other synonyms that could be used in these situations include claim, warrant, endorse, support, or guarantee. Depending on the tone and context of the statement, additional synonyms might include assert, proclaim, argue, insist, or swear. Overall, there are many possible words that could be used as synonyms for avouches, each with slightly different connotations or shades of meaning.
