Someone who is self-possessed is calm and confident and in control of their emotions.
She is clearly the most articulate and self-possessed member of her family.
= self-assured
ADJ
Someone who is self-possessed is calm and confident and in control of their emotions.
She is clearly the most articulate and self-possessed member of her family.
= self-assured
ADJ
Collins COBUILD Advanced Learner's English Dictionary. Английский словарь Коллинз COBUILD для изучающих язык на продвинутом уровне. 2006