asseveration

Enough surely has been already adduced to warrant a reasonable man in refusing to accept Professor Jowett's repeated asseveration that the Bible is "to be interpreted like any other book."

From Inspiration and Interpretation Seven Sermons Preached Before the University of Oxford by John William Burgon

She seemed to expect his asseveration, Cethegus was silent for a short time.

From A Struggle for Rome, v. 1 by Felix Dahn

The brethren raised their hands in solemn asseveration and, like a pillar of sacred sacrificial incense, the steamy cloud from thirty throats rose to Heaven in one united breath, "We swear it!"

From The Hour Will Come: Volumes I and II A Tale of an Alpine Cloister by Wilhelmine von Hillern

Mrs. Kane has always been most careful not to make any positive asseveration of the claims of Spiritualism.

From The Death-Blow to Spiritualism Being the True Story of the Fox Sisters by Reuben Briggs Davenport

Then, as though her asseveration had slightly mollified her, she added: "Or if I do——" and, then paused.

From A Modern Wizard by Rodrigues Ottolengui