| tranquil(adjective, calm, quiet, cool, smooth) |
| detached(adjective, calm, quiet, cool, moderate) |
| level-headed(adjective, calm, cool, sound, smooth) |
| relaxed(adjective, calm, quiet, cool, moderate) |
| unexcitable(adjective, calm, quiet, cool, smooth) |
| steady(adjective, calm, dull, cool, smooth) |
| undisturbed(adjective, calm, quiet, cool, moderate) |
| unemotional(adjective, calm, quiet, cool, moderate) |
| unperturbed(adjective, calm, quiet, cool, sound) |
| cool-headed(adjective, calm, quiet, cool, moderate) |
| equable(adjective, calm, quiet, cool, moderate) |
| laid-back(adjective, calm, quiet, cool, moderate) |
| poised(adjective, calm, quiet, cool, moderate) |
| self-controlled(adjective, calm, quiet, cool, relaxed) |
| sober(adjective, calm, cool, detached, unfeeling) |
| stolid(adjective, calm, quiet, cool, indifferent) |
| assured(adjective, calm, quiet, cool, solid) |
| constant(adjective, calm, smooth, steady, temperate) |
| dignified(adjective, calm, cool) |
| happy-go-lucky(adjective, attitude, behavior, sexual moral, sexual activity) |