assertion
n. countablen. a strong statement that something is true, even if you do not have proof yet. You use this when you want to sound confident about an idea or a fact.
n. a confident and forceful statement of fact or belief. In formal logic or programming, it refers to a predicate that a developer expects to be true at a specific point in the code.
She made a bold assertion about the company's future.
The lawyer's assertion that the witness was lying changed the mood of the entire trial.
While the author provides plenty of anecdotal evidence, the central assertion of the book remains unsupported by any peer-reviewed data or statistical analysis.
From Middle English assercioun, from Latin assertiō. By surface analysis, assert + -ion.
Often followed by the preposition 'that' or 'of'.