affirmer
词形变化：
形容词: affirmable | 副词: affirmably | 名词: affirmer | 动词过去式: affirmed | 动词过去分词: affirmed | 动词现在分词: affirming | 动词第三人称单数: affirms |
同义词：
assert | confirm | state | pronounce | support | sustain | avow | verify | encourage | uphold | insist | establish | announce | acknowledge | certify | endorse | ratify | declare | testify | insure | swan | maintain | allege | swear | aver | claim | corroborate | substantiate |
反义词：