Meaning ofassertin English

Verb

1. to declare strongly; state with confidence
   The manager will assert that the project is on schedule.
2. to insist on one's rights; be respected
   She had to assert her authority to control the meeting.
3. to defend a claim or cause
   The lawyer will assert the client's innocence in court.
4. to verify code conditions; ensure truth at a point
   The programmer must assert the variable is not null before use.
5. to state a condition is true (in code)
   The developer will assert that the input values are valid before processing.