confident

adjective3

1. •
   having no doubt that something is true or will turn out well

   • I'm pretty confident that she's not lying, she's acting normally.
   • He was confident of success.
2. •
   Self-assured, self-reliant, sure of oneself.
3. •
   (no longer used) Forward, impudent.

   • I was rated as the most confident ruffian, for daring to approach her room at that hour of night. — 1775