EQUANIMITY

calmness of temperament

composure

steadiness of mind under stress

SYN - calm, composure

"He accepted their problems with composure and she with equanimity."

"He knew that she possessed the equanimity to come through for them in this time of dire need."

"Although most of his upbringing caused him to be insensitive towards alot of human emotions, it also had the positive effect of bestowing an unmatched equanimity that allowed him to make tough and smart decisions when it mattered."

"He did not understand how she could be handling everything with such equanimity."