serving to relieve the pain/intensity of something or to remove a problem without addressing or removing its cause, especially (medical) easing pain without curing/treating the underlying disease;
e.g. He was offered palliative care in his old age.
(noun)
a remedy, treatment, or medicine that serves to ease the intensity/pain of something or remove some problem without addressing its cause;
e.g. For many babies, a nap is a palliative for a bad mood.