Noun
sangfroid (usually uncountable, plural sangfroids)
Composure, self-possession or imperturbability especially when in a dangerous situation.
Synonyms: aplomb, poise, unflappability
He handled the stressful situation with great sangfroid.
It takes real sangfroid to stare death out. Planning your own murder is a delicate undertaking, requiring as much foresight and paperwork as that invested by some girls into their first weddings. Antonella Gambotto-Burke