sangfroidEnglishOxford English Thesaurussangfroid noun he recovered his usual sangfroid: composure, equanimity, self-possession, level-headedness, equilibrium, aplomb, poise, assurance, self-assurance, self-control, nerve, calmness, coolness, countenance, collectedness, imperturbability, presence of mind; informal cool, unflappability.sangfroid Oxford Dictionary of English