Open English Wordnet
Verbs
(v)confirm, corroborate, sustain, substantiate, support, affirmestablish or strengthen as with new evidence or facts“his story confirmed my doubts”, “The evidence supports the defendant”
(v)incarnate, body forth, embody, substantiaterepresent in bodily form“He embodies all that is evil wrong with the system”, “The painting substantiates the feelings of the artist”
(v)substantiatesolidify, firm, or strengthen“The president's trip will substantiate good relations with the former enemy country”