1. stating or declaring something confidently and forcefully
Usage: present participle of assert
2. exercising or defending one’s rights or authority
Usage: present participle of assert

Examples

• She is asserting her innocence despite the evidence.
• The manager is asserting his authority over the team.
• He kept asserting that he was right about the decision.
• The country is asserting its sovereignty over the disputed territory.
• She is asserting her right to speak at the meeting.
• The lawyer is asserting his client’s constitutional rights.