Noah Webster's Dictionary 1. (v. t.) To affirm; to declare with assurance, or plainly and strongly; to state positively; to aver; to asseverate. 2. (v. t.) To maintain; to defend. 3. (v. t.) 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.

Multi-Version Concordance Assert (1 Occurrence) Isaiah 40:27 Why sayest thou, O Jacob, and speakest, O Israel: 'My way is hid from the LORD, and my right is passed over from my God'? (See NAS)