| devil-may-care(adjective, calm, mild, relaxed, casual) |
| discreet(adjective, calm, sound, reasonable, moderate) |
| dull |
| easily pleased(expression, adjective, kind, pleasant, friendly) |
| flexible(adjective, calm, mild, relaxed, casual) |
| forgiving(adjective, calm, quiet, understanding, gentle) |
| free and easy(expression, adjective, idiom, calm, mild) |
| good-hearted(adjective, kind, pleasant, friendly, cheerful) |
| good-humored(adjective, kind, pleasant, friendly, cheerful) |
| gracious(adjective, kind, pleasant, friendly, cheerful) |
| grave |
| hang-loose(adjective, calm, mild, relaxed, casual) |
| happy-go-lucky(mild, relaxed, tolerant, laid-back, permissive) |
| helpful(adjective, kind, pleasant, friendly, cheerful) |
| indolent(adjective, calm, mild, relaxed, casual) |
| indulgent(adjective, calm, quiet, understanding, gentle) |
| inexcitable |
| inirritable |
| inscrutable(adjective, unexcitable) |
| insouciant(mild, relaxed, tolerant, laid-back, permissive) |