self-confident

Meanings

1. 1
   adj

   showing poise and confidence in your own worth

   They were hardly more than a child but firm-knit and self-confident.

2. 2
   adj

   Confident in one's own abilities.

   This new-comer was a man who in any company would have seemed striking. […] His air, of self-confident assurance, seemed that of a man well used to having his own way.

Etymology

From self- + confident.