asseveration Meaning, Definition & Usage

  1. noun a declaration that is made emphatically (as if no supporting evidence were necessary)
    averment; assertion.

WordNet

As*sev`er*a"tion noun
Etymology
L. asseveratio.
Definitions
  1. The act of asseverating, or that which is asseverated; positive affirmation or assertion; solemn declaration.
    Another abuse of the tongue I might add, -- vehement asseverations upon slight and trivial occasions. Ray.

Webster 1913