assertion

US /əˈsɝː.ʃən/
UK /əˈsɝː.ʃən/
"assertion" picture
1.

a confident and forceful statement of fact or belief

:
His assertion that the company was failing proved to be false.
The politician made a bold assertion about economic growth.
2.

the action of asserting something

:
The lawyer's strong assertion of his client's innocence impressed the jury.
She defended her rights with a firm assertion of her beliefs.