Definition of "asseverate" [as•sev•er•ate]

• To declare seriously or positively; affirm. (verb-transitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "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."
• "I was convinced and told the Prest. so that the reprieve wd. be taken as an implied promise of pardon or commutation, however strongly he might asseverate to the contrary."
• "“And I presume you can also asseverate to his worship, that no man is better qualified than I am to bear testimony in this case, seeing that I was by you, and near you, constantly during the whole occurrence.”"