English Dictionary

To affirm; to declare with assurance, or plainly and strongly; to state positively; to aver; to asseverate.
Source : opted (9755)  - auto

To maintain; to defend.
Source : opted (9756)  - auto

To maintain or defend, as a cause or a claim, by words or measures; to vindicate a claim or title to; as, to assert our rights and liberties.
Source : opted (9757)  - auto