| indulgent(adjective, calm, kind, smooth, soft) |
| inert(adjective, calm, quiet, smooth, tranquil) |
| innocuous(adjective, moderate) |
| kindly(adjective, calm, quiet, soft, pleasant) |
| measured(adjective, calm, quiet, soft, reasonable) |
| merciful(adjective, calm, quiet, cool, kind) |
| motionless(adjective, calm, quiet, cool, smooth) |
| non-aggressive(adjective, peaceful) |
| ocean(noun, adjective, calm, peaceful, tranquil) |
| sober(adjective, calm, dull, quiet, soft) |
| unmoving(adjective, tranquil, silent, motionless, immobile) |
| unwarlike(peaceful, easygoing, compliant, peace-loving) |
| at ease(expression, adjective, calm, quiet, easy) |
| civil(adjective, quiet, cool, kind, gentle) |
| comforting(adjective, calm, quiet, easy, mild) |
| complaisant(adjective, calm, kind, smooth, soft) |
| concordant(adjective, friendly, polite, peaceful, cordial) |
| domesticated(adjective, calm, quiet, cool, soft) |
| flat(adjective, calm, weak, kind, smooth) |
| forbearing(adjective, calm, kind, smooth, soft) |