| cool-headed(adjective, excitability) |
| even(adjective, firm, solid, stable, fixed) |
| moderate(adjective, unexcitable) |
| placid(adjective, calm, cool, relaxed, tranquil) |
| poised(adjective, calm, firm, sensible, solid) |
| poker-faced(adjective, indifferent, casual, aloof, remote) |
| serious-minded(adjective, firm, sensible, solid, steady) |
| settled(adjective, set, firm, sensible, solid) |
| severe(adjective, calm, quiet, set, reasonable) |
| sober minded(expression, idiom, excitability) |
| sobersided(adjective, serious) |
| sombre |
| thoughtful(adjective, dull, quiet, severe, honest) |
| apathetic(adjective, indifferent, casual, aloof, unemotional) |
| balanced(adjective, firm, sensible, solid, steady) |
| cold(adjective, calm, severe, sensible, dark) |
| controlled(adjective, unexcitable) |
| conventional(good, stiff, stale, solemn, well-mannered) |
| coy |
| detached(adjective, indifferent, aloof, unemotional, unbiased) |