equanimity
noun
[ ˌɛkwəˈnɪmɪti ]
• calmness and composure, especially in a difficult situation.
• "she accepted both the good and the bad with equanimity"
Similar:
composure,
calmness,
calm,
level-headedness,
self-possession,
self-control,
even-temperedness,
coolness,
cool-headedness,
presence of mind,
serenity,
placidity,
tranquillity,
phlegm,
impassivity,
imperturbability,
unexcitability,
equilibrium,
poise,
self-assurance,
assurance,
self-confidence,
aplomb,
sangfroid,
nerve,
cool,
unflappability,
ataraxy,
Origin:
early 17th century (also in the sense ‘fairness, impartiality’): from Latin aequanimitas, from aequus ‘equal’ + animus ‘mind’.