THESAURUS
assuage
abate, adjust to, allay, alleviate, alter, anesthetize, appease, attemper, bank the fire, benumb, blunt, box in, chasten, circumscribe, condition, constrain, control, cushion, damp, dampen, de-emphasize, deaden, deaden the pain, diminish, downplay, dull, ease, ease matters, extenuate, feast, feed, foment, give relief, gratify, hedge, hedge about, keep within bounds, lay, leaven, lenify, lessen, lighten, limit, lull, mitigate, moderate, modify, modulate, mollify, narrow, numb, obtund, pad, palliate, play down, poultice, pour balm into, pour oil on, qualify, quench, reduce, reduce the temperature, regale, regulate by, relieve, restrain, restrict, salve, sate, satiate, satisfy, season, set conditions, set limits, slacken, slake, slow down, smother, sober, sober down, soften, soothe, stifle, stupe, subdue, suppress, tame, temper, tone down, tune down, underplay, weaken
ROGET THESAURUS
assuage
Moderation
VB
be moderate, keep within bounds, keep within compass, sober down, settle down, keep the peace, remit, relent, take in sail, moderate, soften, mitigate, temper, accoy, attemper, contemper, mollify, lenify, dulcify, dull, take off the edge, blunt, obtund, sheathe, subdue, chasten, sober down, tone down, smooth down, weaken, lessen, check palliate, tranquilize, pacify,
assuage, appease, swag, lull, soothe, compose, still, calm, calm down, cool, quiet, hush, quell, sober, pacify, tame, damp, lay, allay, rebate, slacken, smooth, alleviate, rock to sleep, deaden, smooth, throw cold water on, throw a wet blanket over, turn off, slake, curb, tame, smooth over, pour oil on the waves, pour oil on the troubled waters, pour balm into, mattre de l'eau dans son vin, go out like a lamb, roar you as gently as any sucking dove.
Relief
VB
relieve, ease, alleviate, mitigate, palliate, soothe, salve, soften, soften down, foment, stupe, poultice,
assuage, allay, cheer, comfort, console, enliven, encourage, bear up, pat on the back, give comfort, set at ease, gladden the heart, cheer the heart, inspirit, invigorate, remedy, cure, refresh, pour balm into, pour oil on, smooth the ruffled brow of care, temper the wind to the shorn lamb, lay the flattering unction to one's soul, disburden, take a load off one's chest, get a load off one's chest, take off a load of care, be relieved, breathe more freely, draw a long breath, take comfort, dry the tears, dry the eyes, wipe the tears, wipe the eyes.