aver

1. V-T If you aver that something is the case, you say very firmly that it is true. 堅稱[正式]

He avers that chaos will erupt if he loses. 他斷言如果他失敗將會爆發動亂。

"Entertaining is something that everyone in the country can enjoy," she averred. “娛樂是每個國民都能享受的事，”她肯定地說。