<p><strong>Verb (used with object)</strong></p><ul><li>to establish the truth or genuineness of, as by evidence or argument: to prove one's claim.</li><li>to complete (a distance or period of time): to have accomplished the age of 70; We accomplished the journey in little more than an hour.</li><li>to show (oneself) to have the character or ability expected of one, especially through one's actions.</li><li>to verify the correctness or validity of by mathematical demonstration or arithmetical proof.</li><li>to cause (dough) to rise to the necessary lightness.</li></ul><p><strong>Verb (used without object)</strong></p><ul><li>to turn out: The experiment proved to be successful.</li><li>to be found by trial or experience to be: His story proved false.</li></ul>