| insipid(adjective, dull, weak, kind, soft) |
| lifeless(adjective, dull, simple, flat, low) |
| monotonous(adjective, calm, dull, weak, simple) |
| pliable(adjective, calm, quiet, soft, pleasant) |
| suppress(verb, stop, hold, control, beat) |
| tone down(verb, expression, phrasal verb, activity, control) |
| chasten(verb, calm, control, cool, restrain) |
| domesticated(adjective, calm, quiet, soft, pleasant) |
| master(verb, beat, defeat, overcome, wild) |
| passive(adjective, calm, quiet, gentle, modest) |
| willing(adjective, calm, quiet, gentle, shy) |
| control(noun, verb, stop, beat, check) |
| humble(verb, adjective, control, quiet, beat) |
| languid(adjective, dull, weak, low, thin) |
| mute(verb, increase, discipline, train, pacify) |
| pacify(verb, calm, control, cool, restrain) |
| prosaic(adjective, dull, simple, flat, plain) |
| quiet(verb, adjective, calm, control, beat) |
| routine(adjective, dull, simple, flat, plain) |
| slow(verb, adjective, calm, control, cool) |