a declaration that is made emphatically (as if no supporting evidence were necessary)
同义词：averment, asseveration
the act of affirming or asserting or stating something
同义词：affirmation, statement
assertion例句
A formal assertion of validity.
确定，鉴定对效力的正式断言
Such a questionable assertion is sure to provoke criticism.
这种有问题的主张肯定会招致非议。
I seriously question a number of your assertions.
对你所坚持的说法，有几点我甚为怀疑。
He spoke with assertion.
他坚定地说。
assertion详细解释
as.ser.tion n.（名词）The act of asserting.武断：武断的行为Something declared or stated positively, often with no support or attempt at proof.断言：肯定的宣称或陈述，通常没有证据或不试图证实 【引伸】 asser.tional adj.（形容词）
