| demure(adjective, calm, quiet, cool, serious) |
| dispassionate(adjective, calm, dull, cool, reasonable) |
| drab(adjective, calm, dull, soft, obscure) |
| frugal(adjective, characteristic, quality, temperate, economy) |
| dignified(adjective, calm, dull, quiet, cool) |
| down-to-earth(adjective, calm, dull, hard, sound) |
| practical(adjective, calm, dull, hard, sound) |
| self-possessed(adjective, sound, firm, sensible, solid) |
| severe(adjective, calm, dull, big, heavy) |
| stoic(adjective, cool, tough, rational, straightforward) |
| conservative(adjective, reasonable, moderate, sensible, deliberate) |
| continent(adjective, reasonable, pure, restraint, restrained) |
| level-headed(adjective, sound, tough, reasonable, sharp) |
| placid(adjective, calm, cool, easy, relaxed) |
| ruminative(adjective, reasonable, rational, thoughtful, thinking) |
| sad(adjective, dull, quiet, gentle, dark) |
| solid(adjective, reasonable, firm, sensible, fair) |
| unperturbed(adjective, calm, easy, relaxed, comfortable) |
| unsmiling |
| weighty(adjective, dull, set, severe, honest) |