| cool(adjective, calm, sound, reasonable, sensible) |
| peaceful(adjective, state, characteristic, coolness) |
| nerveless |
| calm(adjective, quiet, cool, sound, reasonable) |
| level-headed(adjective, calm, sound, sensible, casual) |
| serene(adjective, calm, quiet, relaxed, casual) |
| collected(adjective, calm, quiet, cool, sound) |
| levelheaded(adjective, calm, quiet, cool, reasonable) |
| aloof(adjective, moderate, gentle, temperate) |
| balanced(adjective, calm, sound, reasonable, sensible) |
| composed(adjective, calm, quiet, cool, sound) |
| impassive(adjective, calm, quiet, relaxed, casual) |
| philosophical(adjective, calm, quiet, relaxed, casual) |
| placid(adjective, calm, quiet, relaxed, casual) |
| practical(adjective, calm, sound, reasonable, sensible) |
| quiet(adjective, calm, relaxed, casual, unruffled) |
| rational(adjective, calm, sound, reasonable, sensible) |
| reasonable(adjective, calm, sound, sensible, rational) |
| relaxed(adjective, calm, quiet, casual, unruffled) |
| sane(adjective, calm, sound, reasonable, sensible) |