asserts
v. B2 Upper Intermediate US //əˈsɝts// UK //ɐsˈɜːts// as·serts
v. to state a fact or belief confidently and forcefully. You use this word when you want to show that someone is sure about what they are saying.
v. to state a fact, opinion, or right with confidence and authority. Transitive — typically takes a direct object or a 'that' clause.
She asserts her right to speak.
The manager asserts that the new policy will improve team morale and reduce overtime costs.
The author asserts that historical narratives are often shaped by the political agendas of the dominant culture rather than objective truth.
Usage
The verb is transitive and commonly followed by a direct object or a 'that' clause.