[mass noun]the solemn or emphatic declaration or statement of something 郑重声明;断言 I fear that you offer only unsupported asseveration. 恐怕你提供的仅仅是未经证实的推断。 [count noun]the dogmatic outlook marks many of his asseverations. 他的很多断言都显露出教条主义的观点。
派生 asseverate verb 语源
mid 16th cent.: from Latin asseveratio(n-), from the verb asseverare, from ad- 'to' + severus 'serious'