pal·li·a·tive 
(pălē-ā′tĭv, -ē-ə-tĭv)
(pălē-ā′tĭv, -ē-ə-tĭv)adj.
1. Tending or serving to palliate.
2. Alleviating the symptoms of a disease or disorder, especially one that is terminal, when a cure is not available.
n.
One that palliates, especially a palliative drug or medicine.
palli·a′tive·ly adv.