deduction

/dɪˈdʌkʃən/
noun
  1. An amount that is subtracted from a total, especially from income or a bill.
    • There was a small deduction from my paycheck for union dues.
    • The standard deduction reduces the amount of income you pay taxes on.
    • You can claim a deduction for home office expenses if you work remotely.
  2. The process of reaching a conclusion by reasoning from general principles or facts.
    • Using deduction, the detective figured out who committed the crime.
    • In math class, we practiced logical deduction to solve puzzles.
    • Her deduction that the plant needed more sunlight was correct.
Antonyms
What does "deduction" mean? | whatsthatwordmean | whatsthatwordmean