- Composure, self-possession or imperturbability especially when in a dangerous situation.
- 2013 January 1, Brian Hayes, “Father of Fractals”, in American Scientist, volume 101, number 1, page 62:
- Toward the end of the war, Benoit was sent off on his own with forged papers; he wound up working as a horse groom at a chalet in the Loire valley. Mandelbrot describes this harrowing youth with great sangfroid.
- He handled the stressful situation with great sangfroid.
composure, self-possession or imperturbability