See allay in Webster's New World Roget's A-Z Thesaurus II
verb
To make less severe or more bearable:
alleviate, assuage, comfort, ease, lessen, lighten2, mitigate, palliate, relieve. See increaseTo make or become calm:
balm, becalm, calm (down), lull, quiet, settle, still, tranquilize. See calm
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