assertion

/əˈsɜːrʃən/
noun
  1. A confident and forceful statement of fact or belief.
    • The scientist supported his assertion with data from several experiments.
    • Despite his confident assertion, no one in the room believed him.
    • Her assertion that the project would be finished on time turned out to be correct.
  2. The act of asserting or claiming something, often in a confident way.
    • His constant assertion of authority made his coworkers uncomfortable.
    • The assertion of your rights is important in any legal situation.
    • The teacher encouraged the assertion of opinions during class discussions.
Antonyms
What does "assertion" mean? | whatsthatwordmean | whatsthatwordmean