| complacent(adjective, calm, cool, certain, steady) |
| demure(adjective, calm, cool, excitability, dignified) |
| dignified(adjective, calm, cool) |
| frigid(adjective, cool, aloof, distant, unexcitable) |
| inexcitable(adjective, cool, blank, aloof, unemotional) |
| levelheaded(adjective, calm, quiet, cool, moderate) |
| passive(adjective, tolerant, enduring, patient) |
| quiescent(adjective, calm, quiet, cool, still) |
| reasonable(adjective, calm, sensible, restrained, thoughtful) |
| restful(adjective, calm, quiet, cool, moderate) |
| self-contained(adjective, cool, blank, aloof, unemotional) |
| smooth(adjective, calm, quiet, cool, relaxed) |
| smug(adjective, calm, cool, collected, unflappable) |
| thick-skinned(adjective, calm, cool, restrained, steady) |
| unconcerned(adjective, calm, quiet, cool, moderate) |
| unshakable |
| untroubled(adjective, calm, quiet, cool, moderate) |
| grave(adjective, calm, cool, sensible, dark) |
| at ease(expression, adjective, calm, relaxed, tranquil) |
| callous(adjective, calm, cool, cold, cruel) |