com·po·sure 
/kəmˈpoʊʒɚ/ noun
/kəmˈpoʊʒɚ/ noun [noncount] : calmness especially of mind, manner, or appearance
▪ She never loses her composure. [=she always appears calm] ▪ He kept/maintained his composure. ▪ After the initial shock she regained/recovered her composure. ▪ He answered with composure.
▪ She never loses her composure. [=she always appears calm] ▪ He kept/maintained his composure. ▪ After the initial shock she regained/recovered her composure. ▪ He answered with composure.
