证实：verify, prove, substantiate, corroborate, confirm

　　反驳：refute, disprove, controvert, contradict

　　支持(认可): endorse, support, encourage, reinforce, countenance, approve

　　反对(抗议)：oppose, demur, deprecate, quibble, defy

　　肯定， 断言：aver, assert, affirm, proclaim

　　否定：deny, gainsay, repudiate, disclaim, negate