Definitions

1. verb

to state or claim something as true, to be certain or confident about something

“She asserted that she had never been to Paris before.”

2. verb

to require or demand something as a right or necessity

“The judge asserted the defendant’s right to a fair trial.”

3. noun

a statement or claim made with confidence or authority

“His assertion that he was the best player on the team was met with skepticism.”

4. noun

the act of stating or claiming something as true

“The scientist’s assertion was based on years of research and data.”