| moderate(calm, quiet, reasonable, mild, controlled) |
| muted(calm, quiet, reasonable, mild, controlled) |
| on a leash(expression, idiom, calm, quiet, reasonable) |
| pent-up |
| plain(calm, quiet, reasonable, mild, controlled) |
| quiet(calm, reasonable, mild, controlled, self-possessed) |
| reasonable(adjective, calm, quiet, mild, subdued) |
| retarded |
| reticent(calm, quiet, reasonable, mild, controlled) |
| retiring(calm, quiet, reasonable, mild, controlled) |
| self-controlled(adjective, calm, quiet, reasonable, mild) |
| shrinking(adjective, calm, quiet, reasonable, mild) |
| soft(calm, quiet, reasonable, mild, controlled) |
| steady(adjective, calm, quiet, reasonable, mild) |
| subdued(calm, quiet, reasonable, mild, controlled) |
| tasteful(adjective, calm, quiet, reasonable, mild) |
| temperate(calm, quiet, reasonable, mild, controlled) |
| unaffable(adjective, calm, quiet, reasonable, mild) |
| undemonstrative(calm, quiet, reasonable, mild, controlled) |
| under wraps(expression, adjective, calm, quiet, reasonable) |