- tax write-off, tax deduction, deduction - a reduction in the gross amount on which a tax is calculated; reduces taxes by the percentage fixed for the taxpayer's income bracket
--1 is a kind of write-off, write-down
--1 has particulars: tax benefit, tax break; business deduction; exemption - deduction, discount - an amount or percentage deducted
--2 is a kind of allowance, adjustment
--2 has particulars: trade discount - deduction, entailment, implication - something that is inferred (deduced or entailed or implied); "his resignation had political implications"
--3 is a kind of inference, illation
- deduction, deductive reasoning, synthesis - reasoning from the general to the particular (or from cause to effect)
--4 is a kind of reasoning, logical thinking, abstract thought
--4 has particulars: syllogismDerived forms: verb deduct3, verb deduce2, verb deduce1 - subtraction, deduction - the act of subtracting (removing a part from the whole); "he complained about the subtraction of money from their paychecks"
--5 is a kind of decrease, diminution, reduction, step-down
--5 has particulars: bite; withholdingDerived form: verb deduct1 - discount, price reduction, deduction - the act of reducing the selling price of merchandise
--6 is a kind of decrease, diminution, reduction, step-down