| friendly(adjective, calm, good, dull, kind) |
| good-humored(adjective, calm, cool, kind, smooth) |
| halcyon(adjective, calm, quiet, cool, smooth) |
| harmless(adjective, dull, gentle, innocent, compliant) |
| hot(adjective, pleasant, warm, heat, snug) |
| jejune(adjective, dull, kind, soft, pleasant) |
| lukewarm(adjective, dull, weak, pleasant, gentle) |
| nonchalant(adjective, feature, state, relaxed, trait) |
| obliging(adjective, calm, good, quiet, kind) |
| plain(adjective, calm, dull, quiet, mean) |
| restful(adjective, calm, quiet, cool, smooth) |
| savorless(adjective, dull, weak, flat, boring) |
| stale(adjective, dull, weak, flat, boring) |
| subservient(adjective, quiet, kind, simple, soft) |
| unhurried(adjective, feature, state, calm, quiet) |
| breezy(adjective, feature, state, calm, weak) |
| choice(adjective, weak, soft, pleasant, gentle) |
| compliant(adjective, calm, quiet, light, kind) |
| demulcent(adjective, weak, pleasant, gentle, temperate) |
| easy-going(adjective, feature, state, calm, quiet) |