| equanimity(noun, temper, calmness, composure, reasonableness) |
| peace(noun, calmness, composure, coolness, levelheadedness) |
| easygoingness |
| even temper(noun, expression, temper, composure, reasonableness) |
| imperturbability(noun, calmness, composure, coolness, levelheadedness) |
| inexcitability(noun, temper, composure, reasonableness, equanimity) |
| nirvana |
| passivity(noun, temper, composure, reasonableness, equanimity) |
| patience(noun, temper, calmness, composure, reasonableness) |
| phlegm(noun, calmness, composure, coolness, levelheadedness) |
| placidity(noun, calmness, composure, coolness, levelheadedness) |
| sang-froid(noun, temper, composure, reasonableness, equanimity) |
| sangfroid(noun, calmness, composure, coolness, levelheadedness) |
| self-possession(noun, calmness, composure, coolness, levelheadedness) |
| steadiness(noun, calmness, composure, coolness, levelheadedness) |
| tranquillity(noun, calmness, composure, coolness, levelheadedness) |
| ataraxia(noun, temper, calmness, composure, reasonableness) |
| calmness(noun, composure, coolness, levelheadedness, level-headedness) |
| composure(noun, temper, calmness, reasonableness, equanimity) |
| coolness(noun, calmness, composure, levelheadedness, level-headedness) |