Assertion :: Assertion (n.) The act of asserting, or that which is asserted; positive declaration or averment; affirmation; statement asserted; position advanced..
Assertion :: Assertion (n.) Maintenance; vindication; as, the assertion of one's rights or prerogatives..
Reassertion :: Reassertion (n.) A second or renewed assertion of the same thing.
Self-assertion :: Self-assertion (n.) The act of asserting one's self, or one's own rights or claims; the quality of being self-asserting..