self-assured

adjective
UK /ˌself əˈʃʊəd/
US /ˌself əˈʃʊrd/

Feeling sure and calm about yourself.

She gave a self-assured smile before answering the question.


OTHER MEANINGS

2. Showing no doubt about your own abilities.

His self-assured manner made everyone trust him.

3. Calm and steady because you believe in yourself.

Even on stage, the young singer stayed self-assured.

4. Not nervous or shy in front of other people.

The self-assured boy introduced himself to the whole class.