palliator

noun4

1. •
   Someone or something that palliates; A person or thing that soothes or reduces difficulties.

   • A sense of humour is man's true palliator. — 1911
2. •
   A medical professional who provides palliative care.

   • The worst motivation and professional circumstances for the palliator would be the slowly dawning frustration of a scientifically orientated doctor who realizes the failure of a scientific career. — 1994
3. •
   A device that allows a patient to control the amount of pain medication that is added into an intravenous drip; infusion pump.

   • A more sophisticated device is the Newcastle interactive palliator, in which a continuous low-dose intravenous infusion is combined with patient-operated demand increment. — 1984
4. •
   An apologist; one who justifies or excuses atrocities by citing extenuating circumstances or positive aspects.

   • We never have been, are not, and never will be, directly or indirectly, the apologists or palliators of duelling. — 1835