adjective
able to remain calm and confident in a difficult situation
► ˌself-posˈses·sion noun [ U ]:
He soon recovered his usual self-possession.
adjective
able to remain calm and confident in a difficult situation
► ˌself-posˈses·sion noun [ U ]:
He soon recovered his usual self-possession.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005