| long-suffering(adjective, calm, quiet, cool, gentle) |
| resigned(adjective, calm, quiet, cool, gentle) |
| self-controlled(adjective, calm, cool, tolerant, enduring) |
| unflappable(adjective, calm, cool, smooth, restrained) |
| cold-blooded(adjective, cool, blank, aloof, unemotional) |
| controlled(adjective, unexcitable) |
| enduring(adjective, calm, quiet, cool, gentle) |
| nonchalant(adjective, calm, cool, indifferent, steady) |
| reserved(adjective, cool, restrained, blank, aloof) |
| self-possessed(adjective, calm, quiet, cool, gentle) |
| serious |
| stern |
| tranquil(adjective, calm, quiet, cool, gentle) |
| unruffled(adjective, calm, quiet, cool, smooth) |
| aloof(adjective, calm, cool, indifferent, restrained) |
| austere |
| deadpan(adjective, blank, unemotional, emotionless, expressionless) |
| demure(adjective, excitability, unexcitable) |
| even-tempered(adjective, calm, quiet, understanding, gentle) |
| insensible(adjective, cool, blank, aloof, unemotional) |