He seemed 'confident' of success. [=sure that he would succeed]
He has become more 'confident' in his Spanish-speaking skills.
The players seem more relaxed and 'confident' this season.
(..) of something he didn't do. What makes you so sure he's gonna show up? Don't underestimate yourself, Robert. One way or another, I'm confident Kirk will come. I'll have his head, and you'll end up in the Oval Office, where you can pay off your debt to me with a full pardon. (..)2016 TvShow: The Blacklist Title: Alexander Kirk (No. 14): Conclusion Season: 3 Episode 23