abatement, abridgment, allayment, alleviation, analgesia, anesthesia, anesthetizing, appeasement, assuagement, attenuation, attrition, blunting, calming, concavity, contraction, curtailment, cut, cutting, dampening, damping, de-escalation, deadening, debasement, decrease, decrement, decrescence, deduction, deflation, degradation, demotion, demulsion, depletion, depreciation, depression, derogation, descent, detraction, detrusion, diminishment, dip, disparagement, ducking, dulcification, dulling, dying, dying off, ease, easement, easing, extenuation, extraction, fade-out, falling-off, hauling down, hollowness, hushing, impairment, languishment, leniency, lessening, letdown, letup, lightening, loosening, lowering, lulling, miniaturization, mitigation, modulation, mollification, numbing, pacification, palliation, quietening, quieting, reduction, relaxation, relief, remedy, remission, retraction, retrenchment, sagging, salving, scaling down, shortening, shrinkage, simplicity, sinking, slackening, softening, soothing, subduement, submergence, subtraction, tempering, thrusting under, tranquilization, truncation, weakening
nonincrease, decrease, decrease, diminution
, lessening, subtraction, reduction, abatement, declension, shrinking (contraction, ), coarctation, abridgment, extenuation, subsidence, wane, ebb, decline, ebbing, descent, decrement, reflux, depreciation, deterioration, anticlimax, mitigation, unincreased, decreased, decreasing, on the wane, a gilded halo hovering round decay, fine by degrees and beautifully less.
contraction, reduction, diminution
, decrease of size, defalcation, decrement, lessening, shrinking, compaction, tabes, collapse, emaciation, attenuation, tabefaction, consumption, marasmus, atrophy, systole, neck, hourglass, condensation, compression, compactness, compendium, squeezing, strangulation, corrugation, astringency, astringents, sclerotics, contractility, compressibility, coarctation, inferiority in size, contracting, astringent, shrunk, contracted, strangulated, tabid, wizened, stunted, waning, neap, compact, unexpanded &c (expand), contractile, compressible, smaller &c (small).