See rebate in Webster's New World Roget's A-Z Thesaurus II
noun
An amount deducted:
abatement, deduction, discount, reduction. See increase
verb
To take away (a quantity) from another quantity:
abate, deduct, discount, subtract, take (off). (Informal) knock off. See increaseTo grow or cause to grow gradually less:
abate, decrease, diminish, drain, dwindle, ebb, lessen, let up, peter (out), reduce, tail away (or off), taper (off). See increase
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