1. self-possessed - Adjective
2. self-possessed - Adjective Satellite
Composed or tranquill in mind, manner, etc.; undisturbed.
Source: Webster's dictionaryThere's no room for demons when you're self-possessed. Carrie Fisher
He had this enormous gift of being self-possessed - friendly, approachable, very personable and he got on with people. I thought he was the one who would represent us best abroad, and he did. Sinnathamby Rajaratnam
Part of Obama's persona is self-reliance. He's calm; he's cool; he's self-possessed. In many ways, he has tried to define himself in opposition to Clinton's sometimes needy, often undisciplined, emotionalism. Dee Dee Myers
the witness remained collected throughout the cross-examination Source: Internet
perfectly poised and sure of himself Source: Internet
more self-contained and more dependable than many of the early frontiersmen Source: Internet