Self-confident (adjective)

Having confidence in oneself and one's abilities.

Origin:

Combination of self and confident, meaning having confidence in oneself.

Examples:

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