abatement, allayment, alleviation, arrest, assuagement, attenuation, attrition, blunting, calming, check, damping, deadening, debilitation, deceleration, delay, demulsion, detention, devitalization, dilution, diminution, drag, dulcification, dulling, ease-off, ease-up, easing, effemination, enervation, enfeeblement, evisceration, exhaustion, extenuation, falling-off, fatigue, flagging, holdup, hushing, inanition, lag, languishment, leniency, lessening, letdown, letup, lightening, loosening, lulling, minus acceleration, mitigation, modulation, mollification, obstruction, pacification, palliation, quietening, quieting, reduction, relaxation, remission, retardation, retardment, setback, slack-up, slowdown, slowing, slowing down, slowup, softening, soothing, subduement, tempering, thinning, tranquilization, weakening