asserting
as-sert-ing
verb
Stating a fact, belief, or right confidently and forcefully.
"He was asserting his authority in the meeting."
noun
The act of confidently stating or defending one's position.
"Her asserting of her opinion was admirable."
Thesaurus
Synonyms: insist, assert, put forward, swan, affirm, verify, avow, swear, aver, maintain, asseverate