palliative

adjective

the role of these drugs is essentially palliative:

soothing, alleviating, sedative, calmative, calming;

rare alleviative, alleviatory, lenitive, demulcent, assuasive, mitigatory, mitigative, paregoric.

noun

antibiotics and palliatives:

painkiller, analgesic, pain reliever, sedative, tranquillizer, anodyne, calmative, opiate, bromide;

rare lenitive, demulcent, mitigative, paregoric.

palliative Oxford Dictionary of English