Definitions for "Equanimity"
Evenness of mind; that calm temper or firmness of mind which is not easily elated or depressed; patience; calmness; composure; as, to bear misfortunes with equanimity.
steadiness of mind under stress; "he accepted their problems with composure and she with equanimity"
The ability to maintain a spacious impartiality of mind in the midst of life’s changing conditions. A state of balance or poise; a radiant calm of mind or spacious stillness of heart.
Keywords:  upeksa, upekkha
Upeksa (S)/Upekkha (P).