■ verb
1》 state a fact or belief confidently and forcefully.
2》 cause others to recognize (one's authority or a right) by confident and forceful behaviour.
↘( ~ oneself ) behave or speak confidently and forcefully.
Derivatives
~er (also ~or ) noun
Origin
C17 (earlier (ME) as ~ion ): from L. asserere 'claim, affirm', from ad- 'to' + serere 'to join'.