| calm(adjective, calm, quiet, cool, smooth) |
| cool(adjective, calm, quiet, firm, sensible) |
| serene(adjective, calm, quiet, cool, smooth) |
| composed(adjective, calm, quiet, cool, smooth) |
| tranquil(adjective, calm, quiet, cool, smooth) |
| unruffled(adjective, calm, quiet, cool, smooth) |
| unflappable(adjective, calm, quiet, cool, smooth) |
| self-possessed(adjective, calm, quiet, cool, moderate) |
| dispassionate(adjective, calm, quiet, cool, moderate) |
| sedate(adjective, calm, quiet, cool, moderate) |
| collected(adjective, calm, quiet, cool, moderate) |
| placid(adjective, calm, quiet, cool, smooth) |
| peaceful(adjective, calm, quiet, cool, mild) |
| impassive(adjective, calm, quiet, cool, moderate) |
| stoic(adjective, cool, blank, aloof, tolerant) |
| controlled(adjective, unexcitable) |
| even-tempered(adjective, calm, quiet, cool, smooth) |
| nonchalant(adjective, calm, cool, relaxed, steady) |
| unperturbed(adjective, calm, cool, relaxed, casual) |
| sober(adjective, calm, dull, cool, firm) |