to put (fear, doubt, suspicion, anger, etc.) to rest; calm; quiet.

to lessen or relieve; mitigate; alleviate

to allay pain.

verb

intensify , provoke , stir , worsen , aggravate , heighten , rouse

verb

abate , alleviate , assuage , calm , compose , cool out , decrease , ease , lessen , lighten , make nice , mitigate , moderate , mollify , pacify , play up to , pour oil on , quiet , square , take the bite out , take the sting out , comfort , palliate , balm , becalm , lull , settle , still , tranquilize , appease , diminish , reduce , relieve , soften , soothe , temper