Self-assured (adjective)

Having confidence in oneself and one's abilities.

Origin:

Combination of self and assured, meaning having confidence in oneself and one's abilities.

Examples:

1. He was a self-assured leader who inspired confidence in his team.
2. She was self-assured in her presentation and handled questions with ease.
3. He was self-assured in his abilities and always took charge of the situation.
4. The self-assured way she carried herself inspired confidence in others.
5. The self-assured attitude he had helped him overcome his fear.