| forgiving(adjective, calm, kind, smooth, soft) |
| good-tempered(adjective, calm, kind, smooth, soft) |
| harmonious(adjective, quiet, cool, smooth, friendly) |
| humane(adjective, calm, quiet, cool, kind) |
| impassive(adjective, calm, quiet, cool, restrained) |
| inoffensive |
| isolated(adjective, shy, stable, peaceful, tranquil) |
| languid |
| lifeless(adjective, calm, quiet, smooth, tranquil) |
| light(adjective, calm, weak, smooth, moderate) |
| modest(adjective, reasonable, sensible, restrained, temperate) |
| noiseless(adjective, calm, quiet, smooth, tranquil) |
| nonaggressive(adjective, peaceful, peaceable) |
| obliging(adjective, calm, kind, smooth, soft) |
| ocean |
| pacifical(adjective, peace, peaceable) |
| pacificatory(easygoing, compliant, peace-loving) |
| pacifying(appeasing, peacemaking) |
| passive |
| patient(adjective, calm, quiet, cool, kind) |