| docile(adjective, calm, quiet, kind, soft) |
| gentle(verb, adjective, calm, control, quiet) |
| boring(adjective, dull, weak, simple, flat) |
| feeble(adjective, calm, dull, strong, weak) |
| tractable(adjective, calm, quiet, quality, soft) |
| submissive(adjective, dull, quiet, kind, soft) |
| meek(adjective, calm, quiet, kind, soft) |
| obedient(adjective, calm, quiet, quality, gentle) |
| dull(adjective, weak, kind, simple, soft) |
| flat(adjective, dull, weak, kind, simple) |
| manageable(adjective, calm, quiet, soft, pleasant) |
| subdue(verb, calm, control, check, increase) |
| domesticate(verb, break, curb, wild, discipline) |
| compliant(adjective, quiet, gentle, shy, meek) |
| mild(adjective, calm, dull, quiet, weak) |
| moderate(verb, adjective, stop, calm, control) |
| tedious(adjective, dull, weak, simple, flat) |
| train(noun, verb, break, prepare, discipline) |
| uninteresting(adjective, dull, weak, flat, plain) |
| amenable(adjective, calm, quiet, gentle, shy) |