Third-person singular simple present indicative form of prove.(verb)
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Use "proves" in a sentence
"A fair price implies a warranty of title; and the purchaser may have satisfaction from the seller, if he sells goods as his own, and the title proves deficient."
"Hamilton did add, however, that if the title proves beyond him he would like to see it go to Webber, saying that he admired the Australian's pluckiness in the face of Red Bull's apparent emotional support for Vettel."
"The title proves illusory: The past will never dissipate, regardless of whether you know or seek it."