| calm(adjective, calm, quiet, cool, still) |
| composed(adjective, calm, quiet, cool, moderate) |
| unruffled(adjective, calm, quiet, cool, moderate) |
| confident |
| serene(adjective, calm, quiet, cool, moderate) |
| imperturbable(adjective, calm, quiet, cool, moderate) |
| even-tempered(adjective, calm, cool) |
| tranquil(adjective, quiet, cool, still, peaceful) |
| collected(adjective, calm, quiet, cool, moderate) |
| self-possessed(adjective, quiet, cool, moderate, gentle) |
| unflappable(adjective, calm, quiet, cool, moderate) |
| unperturbed(adjective, tranquil) |
| unexcited(adjective, calm, quiet, cool, moderate) |
| dispassionate(adjective, quiet, cool, moderate, gentle) |
| placid(adjective, quiet, cool, moderate, gentle) |
| sedate(adjective, quiet, cool, moderate, gentle) |
| temperate(adjective, quiet, cool, moderate, gentle) |
| unemotional(adjective, calm, quiet, cool, moderate) |
| controlled |
| detached(adjective, calm, quiet, cool, moderate) |