aver
/əˈvɜː(r)/verb
1averred, averring
reporting verb formal state or assert to be the case〈正式〉宣称; 断言：with clause he averred that he was innocent of the allegations他宣称自己对指控毫不知情
with direct speech 'I don't have to do anything-it's his problem, ' Rory averred.“我什么也不用做, 那是他的问题,"罗里声称。
1.1
- with obj. Law allege as a fact in support of a plea【律】（支持申诉时）证明…属实。
词源
late Middle English （in the sense 'declare or confirm to be true'）： from Old French averer, based on Latin ad 'to' （implying 'cause to be'） + verus 'true'.