| cold(adjective, calm, cool, dark, relaxed) |
| deadpan(adjective, blank, unemotional, emotionless, expressionless) |
| disciplined(adjective, calm, sensible, dark, restrained) |
| easy(adjective, calm, cool, relaxed, still) |
| emotionless(adjective, cool, unfriendly, blank, aloof) |
| enduring(adjective, calm, quiet, cool, gentle) |
| inscrutable(adjective, quiet, cool, moderate, gentle) |
| laid-back(adjective, calm, quiet, cool, moderate) |
| mild(adjective, calm, quiet, cool, gentle) |
| orderly(calm, smooth, steady, temperate, composed) |
| passionless(adjective, cool, unfriendly, blank, aloof) |
| rational(adjective, calm, sensible, dark, restrained) |
| realistic(adjective, calm, sensible, dark, restrained) |
| relaxed(adjective, calm, quiet, cool, moderate) |
| reliable(adjective, firm, sensible, solid, steady) |
| restrained(adjective, calm, sensible, alert, subdued) |
| self-confident(certain, sure, guaranteed) |
| self-satisfied(adjective, calm, cool, collected, unflappable) |
| sensible(adjective, calm, firm, solid, relaxed) |
| serious(adjective, calm, cool, sensible, dark) |