transitive verb. To declare seriously or positively; affirm.

To affirm or aver positively, or with solemnity.

Synonyms Assert, Affirm, Declare, etc. (see assert); to say, allege, protest, insist, maintain.

transitive verb. To affirm or aver positively, or with solemnity.

verb. To declare earnestly, seriously, or positively; to affirm.

verb. state categorically

"What I asseverate is, that his Excellency, having the same intercourse with his horse during his exercise, that he hath with his soldiers when training them, may form and break either to every feat of war which he chooses to practise, and accordingly that this noble charger is admirably managed."

asseveration  

insist  take a firm stand  

allege  aver  predicate  proclaim  say  

acknowledge  affirm  affirm  allege  announce  

asseverated  asseverates  asseverating