| cool(adjective, calm, person, quiet, reasonable) |
| calm(adjective, calm, quiet, light, cool) |
| serene(adjective, calm, quiet, light, cool) |
| tranquil(adjective, calm, quiet, light, cool) |
| collected(verb, adjective, calm, quiet, cool) |
| unruffled(adjective, calm, quiet, cool, smooth) |
| imperturbable(adjective, calm, quiet, cool, smooth) |
| peaceful(adjective, calm, quiet, mild, relaxed) |
| self-possessed(adjective, calm, quiet, cool, reasonable) |
| unflappable(adjective, calm, quiet, cool, smooth) |
| placid(adjective, calm, quiet, cool, smooth) |
| sedate(adjective, calm, quiet, cool, reasonable) |
| dispassionate(adjective, calm, quiet, cool, reasonable) |
| controlled(verb, adjective, quiet, reasonable, gentle) |
| even-tempered(adjective, calm, quiet, cool, smooth) |
| confident(adjective, calm, quiet, cool, solid) |
| quiet(adjective, calm, light, cool, smooth) |
| temperate(adjective, calm, quiet, light, cool) |
| nonchalant(adjective, calm, cool, mild, relaxed) |
| unperturbed(adjective, calm, quiet, cool, sound) |