abate, abridge, absorb the shock, acoustic tile, afterdamp, allay, alleviate, antiknock, arrest, asperge, asphyxiate, assimilate to, assuage, attemper, attenuate, baffle, baffler, balance, bank the fire, beat down, bedew, bespatter, besprinkle, blackdamp, blow out, blunt, bogginess, boggy, bottle up, break the fall, breath, cast down, censor, chasten, check, chill, choke, choke off, chokedamp, clamminess, clammy, clamp down on, cloud, cold water, compress, constrain, control, cool, cork, cork up, countercheck, crack down on, cramp, crepehanger, cripple, crush, curb, curtail, cushion, cut, cut back, cut down, dabble, dam up, damp down, dampen, dampen the spirits, dampener, damper, dampish, dampness, dank, darken, dash, de-emphasize, deaden, deafen, debilitate, decrease, deduct, deflate, deflect, deject, delay, depreciate, depress, detain, deter, determent, deterrent, devitalize, dew, dewiness, dewy, diminish, disaffect, discourage, discouragement, dishearten, disincline, disinterest, dispirit, distract, divert, douche, douse, downgrade, downplay, drenched, drown, dull, effluvium, enervate, enfeeble, equalize, equilibrize, even, eviscerate, exhalation, exhaust, extenuate, extinguish, exudation, fenny, fetid air, firedamp, flatten, flatus, fluid, fogginess, fume, gag, gruel, harmonize, hinder, hold back, hold down, hold in check, hold up, homogenize, hose, hose down, humect, humectate, humectation, humid, humidify, humidity, humor, hushcloth, impede, indispose, inhibit, intercept, interfere, intermeddle, interrupt, intervene, irrigate, jump on, keep back, keep down, keep in check, keep under, keep within bounds, kill, killjoy, knock down, lay, lay low, lenify, lessen, level, lighten, lower, lower the spirits, make uniform, malaria, marshiness, marshy, meddle, mephitis, miasma, mistiness, misty, mitigate, moderate, modulate, moist, moisten, moistiness, moistness, moisture, muffle, muffler, muggy, mute, muzzle, neutralize, normalize, obtund, offset, oppose, oppress, out, paddle, palliate, pare, pessimist, play down, pour water on, press down, puff of smoke, put down, put off, put out, quash, quell, quench, quietener, rainfall, raininess, rainy, rattle, reduce, reduce the temperature, reek, regularize, regulate, repel, repress, resist, restrain, retard, retrench, roll back, roric, sadden, sap, saturated, scale down, scotch, set back, shake, shake up, shorten, show consideration, show mercy, show pity, showeriness, shut down on, silence, silence cloth, silencer