lost one composure (verb) flip out: lose one's cool
Sinonime: baronial,
brilliant,
eminent,
exalted,
glorious,
grand, grandiose, high-minded, high-ranking, highfalutin',
honorable, imposing, impressive, lofty, lordly, magnificent, majestic,
monumental,
pompous, regal,
resplendent, stately, superb,
venerableAntonime: undignified