deduction

(n) a reduction in the gross amount on which a tax is calculated; reduces taxes by the percentage fixed for the taxpayer's income bracket tax deduction, tax write-off,
(n) an amount or percentage deducted discount,
(n) something that is inferred (deduced or entailed or implied)
- his resignation had political implications
entailment, implication,
(n) reasoning from the general to the particular (or from cause to effect) deductive reasoning, synthesis,
(n) the act of subtracting (removing a part from the whole)
- he complained about the subtraction of money from their paychecks
subtraction,
(n) the act of reducing the selling price of merchandise discount, price reduction,

tax deduction tax write-off discount entailment implication deductive reasoning synthesis subtraction price reduction

addition

deductive