| liquidator |
| mellow(calm, quiet, friendly, steady, serene) |
| neutralizer |
| nonbelligerent(calm, quiet, friendly, steady, serene) |
| nonviolent(calm, quiet, friendly, serene) |
| nullifier |
| on friendly terms(expression, idiom, calm, quiet, friendly) |
| on good terms(expression, idiom, calm, quiet, friendly) |
| pacifistic(calm, quiet, friendly, steady, serene) |
| peace-loving(calm, quiet, friendly, serene) |
| peaceable(calm, quiet, serene) |
| placatory(calm, quiet, friendly, serene) |
| placid(adjective, calm, quiet, friendly, serene) |
| quiet(adjective, calm, friendly, serene) |
| restful(calm, quiet, friendly, serene) |
| serene(adjective, calm, quiet, friendly) |
| smooth(calm, quiet, friendly, serene) |
| sociable(calm, quiet, steady, serene, bloodless) |
| steady(calm, quiet, friendly, serene, bloodless) |
| still(calm, quiet, friendly, serene) |