1. The act of subtracting (removing a part from the whole)
   "he complained about the deduction of money from their paychecks";
   - subtraction
    
2. A reduction in the gross amount on which a tax is calculated; reduces taxes by the percentage fixed for the taxpayer's income bracket
   "Charitable donations can be claimed as a tax deduction";
   - tax write-off, tax deduction
    
3. Something that is inferred (deduced, entailed or implied)
   "The logical deduction from these facts was obvious";
   - entailment, implication
    
4. An amount or percentage deducted
   "The store offered a 20% deduction on all sale items";
   - discount
    
5. A reduction in the selling price of something
   "The deduction of 20% made the purchase more affordable";
   - discount, price reduction
    
6. Conclusion or inference reached by reasoning from facts or premises
   "After examining all the facts, his deduction was that the pipe had burst"
    
7. Reasoning from the general to the particular (or from cause to effect)
   "Sherlock Holmes often used deduction to solve cases";
   - deductive reasoning, synthesis

Derived forms: deductions

Type of: abstract thought, adjustment, allowance, decrease, diminution, illation [rare], inference, logical thinking, reasoning, reduction, step-down, write-down, write-off

Antonym: addition

Encyclopedia: Deduction