rebut Antonyms

announce one's support for witness verify validate support substantiate show sanction reiterate reconfirm reaffirm prove profess deliver the goods back up allow us advocate for come under attack act up to a promise accomplish a promise keep one's promise keep a promise agree on agree on something admit defeat come up with the goods see eye to eye knuckled evidence allow agree affirm admit adduce addicted acquiesce acknowledge accredit accept accede abdicate approve attest establish display demonstrate corroborate confirm concede certify