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abridge allay appease appeases assuage attenuate bate break commercialize compose consume contract cool curtail cut back cuts back deaden decay decrease deduct degrade defuse degenerate degenerating deplete depletes depresses depreciate depress deteriorate devaluate dilute diminishes diminish downplayed downplay downplaying drain drop off drops off dropped off dropping off dwindle ease ebbed ebb fade fall fall off fell off go down goes down impair lighten limit lower mince minimize minimized mitigate moderate mollify pale pales palliate peter out peter recedes recede receded reduce remediate retard retrocede retrench sank sank shorten shortens shrank shrink sink sink slacked slack/slacken slackens slake slow soften taper/taper off tapering off taper tapered off tapers tapers tapers off temper undercut understate untighten weaken went down whittle