palliate
From Longman Dictionary of Contemporary Englishpalliatepal‧li‧ate /ˈpælieɪt/ verb [transitive] formal REDUCEto reduce the effects of illness, pain etc without curing them Chosen carefully, the oils may not only palliate but also cure the condition.→ See Verb tableExamples from the Corpuspalliate• It is possible to palliate without cure.Origin palliate (1400-1500) Late Latin past participle of palliare “to cover, hide”, from Latin pallium; → PALL2