n. 25B6; noun SELF-CONTROL, self-possession, calm, equanimity, equilibrium, serenity, tranquillity; aplomb, poise, presence of mind, sangfroid; imperturbability, placidness, impassivity; informal cool.
COMPOSURE
Meaning of COMPOSURE in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012