| insouciant(adjective, calm, cool, relaxed, detached) |
| level-headed(adjective, calm, casual, unruffled, nonchalant) |
| placid(adjective, calm, quiet, cool, moderate) |
| rational(adjective, calm, quiet, reasonable, sensible) |
| reasonable(adjective, calm, quiet, easy, sensible) |
| sedate(adjective, calm, quiet, cool, reasonable) |
| unmotivated |
| unstirred(adjective, calm, restrained, unconcerned, subdued) |
| at ease(expression, adjective, calm, quiet, easy) |
| casual(adjective, calm, cool, relaxed, restrained) |
| comfortable(adjective, calm, quiet, easy, relaxed) |
| detached(adjective, calm, quiet, cool, moderate) |
| distant(adjective, isolated, reclusive, uncompanionable) |
| easygoing(adjective, calm, quiet, cool, easy) |
| equable(adjective, calm, quiet, cool, moderate) |
| even(adjective, calm, quiet, easy, relaxed) |
| even-tempered(adjective, calm, quiet, cool, easy) |
| laid-back(adjective, calm, quiet, cool, moderate) |
| mild(adjective, calm, quiet, cool, easy) |
| moderate(adjective, calm, quiet, cool, easy) |