assertion (noun) - a forceful or emphatic statement of fact; a claim [uh-sur-shuhn]
BREAKDOWN: A- (to) + SER- (line up) + -TION (act)
to assert is to state or declare positively and forcefully
assertive means communicating in a confident and forceful way without being aggressive
“The constant assertion of belief is an indication of fear.” —Jiddu Krishnamurti