appeasing
calming
conciliatory
cradling
demulcent
dreamy
drowsy
easing
emollient
gentling
hushing
irenic
loosening
lulling
pacific
pacificatory
pacifying
placative
placatory
propitiative
propitiatory
quietening
reconciliatory
relaxing
restful
rocking
softening
soothful
soothing
stilling
subduing
tranquilizing