(n.) The act of diluting, or the state of being diluted.

abridgment agio allayment alleviation allowance analgesia anesthesia anesthetizing appeasement assuagement attenuation attrition bank discount blunting breakage calming cash discount chain discount charge-off concession contraction cut dampening damping deadening debilitation decrease decrement decrescence deduction deflation demulsion depreciation depression devitalization dilution diminishment diminution discount drawback dulcification dulling dying dying off ease easement easing effemination enervation enfeeblement evisceration exhaustion extenuation fade-out falling-off fatigue hushing inanition kickback languishment leniency lessening letdown letup lightening loosening lowering lulling miniaturization mitigation modulation mollification numbing pacification palliation penalty penalty clause percentage premium price reduction price-cut quietening quieting rebate rebatement reduction refund relaxation relief remedy remission rollback sagging salvage salving scaling down setoff simplicity slackening softening soothing subduement subtraction tare tempering thinning time discount trade discount tranquilization tret underselling weakening write-off