What is another word for "discount"?

Roget's Thesaurus (1911) lists these synonyms for "discount": abate, abatement, abridge, abridgment, agio, allow, allowance, and, anticlimax, attenuate, away, backwardation, bargain, bate, below, business, coarctation, concession, contango, contract, contraction, coupon, crumble, decay, declension, decline, decrease, decreasing, decrement, depreciate, depreciation, dequantitate, descend, descent, deterioration, die, diminish, diminution, double, down.