What is another word for substantiates?
Pronunciation: [səbstˈanʃɪˌe͡ɪts] (IPA) 
Substantiate means to establish the truth or validity of something by providing evidence or proof. There are several synonyms for substantiates that can be used interchangeably in different contexts. Some of the popular synonyms are validate, confirm, authenticate, justify, endorse, affirm, support, corroborate, verify, and attest. Each of these synonyms carries its own nuance and connotation, so it is important to choose the appropriate one depending on the intended meaning. For instance, validate and confirm are slightly more assertive and decisive than support and justify, which might suggest more tentative or partial evidence. Regardless of the synonym used, substantiating a claim or argument is essential to establish credibility and persuade others.
