Synonyms and related words :
abating, allaying, alleviating, alleviative, analgesic, anesthetic, anodyne, assuaging, assuasive, balmy, balsamic, benumbing, blunting, cathartic, chastening, cleansing, cushioning, dampening, damping, deadening, demulcent, diminishing, easing, emollient, lenitive, lessening, mitigating, mitigative, narcotic, numbing, pain-killing, palliative, purgative, reducing, relaxing, relieving, remedial, softening, soothing, stunning, stupefying, subduing, tempering