PALLIATIVE
alleviative, alleviatory, lenitive, mitigative, mitigatory, palliative
(adjective) moderating pain or sorrow by making it easier to bear
palliative, alleviant, alleviator
(noun) remedy that alleviates pain without curing
Source: WordNet® 3.1
Etymology
Adjective
palliative (comparative more palliative, superlative most palliative)
Serving to palliate; serving to extenuate or mitigate.
(medicine) Minimising the progression of a disease and relieving undesirable symptoms for as long as possible, rather than attempting to cure the (usually incurable) disease.
Noun
palliative (plural palliatives)
(medicine) Something that palliates, particularly a palliative medicine.
Source: Wiktionary
Pal"li*a*tive, a. Etym: [Cf. F. palliatif.]
Definition: Serving to palliate; serving to extenuate or mitigate.
Pal"li*a*tive, n.
Definition: That which palliates; a palliative agent. Sir W. Scott.
Source: Webster’s Unabridged Dictionary 1913 Edition