| alleviating(verb, adjective, quiet, rest, restful) |
| at rest(expression, adjective, state, feeling, smooth) |
| benign(adjective, calm, good, weak, smooth) |
| harmonic(adjective, sweet, agreeable, sympathetic, suitable) |
| inactive(adjective, quiet, cool, smooth, mild) |
| permissive(adjective, feature, state, calm, quiet) |
| warm(adjective, calm, weak, smooth, soft) |
| bland(adjective, calm, quiet, cool, weak) |
| laid back(verb, expression, adjective, phrasal verb, feature) |
| tame(adjective, calm, quiet, cool, soft) |
| affable(adjective, characteristic, calmness, tranquillity) |
| casual(adjective, feature, state, calm, quiet) |
| cheery(adjective, feature, state, trait, glad) |
| congenial(adjective, sweet, agreeable, sympathetic, suitable) |
| cozy(adjective, calm, quiet, light, smooth) |
| dreamy(adjective, quiet, simple, silence, pastoral) |
| law-abiding(adjective, quiet, simple, silence, pastoral) |
| mild(adjective, characteristic, calmness, tranquillity) |
| non-aggressive(adjective, quiet, cool, friendly, serene) |
| open-minded(adjective, calm, quiet, mild, silent) |