Assertion
Pronunciation : As*ser"tion
Part of Speech : n.
Etymology : [L. assertio, fr. asserere.]
Definition : 1. The act of asserting, or that which is asserted; positive declaration or averment; affirmation; statement asserted; position advanced. There is a difference between assertion and demonstration. Macaulay.
2. Maintenance; vindication; as, the assertion of one's rights or prerogatives.
Source : Webster's Unabridged Dictionary, 1913