Meaning & Definition of word "Deduction"

to

arrow

    Deduction

    /dɪˈdʌkʃən/

    noun:

    • 1. The process of reasoning from one or more statements (premises) to reach a logically certain conclusion.
      • Example: Her conclusion was reached through careful deduction of the facts presented.
    • 2. A subtraction; the amount that is subtracted from a total.
      • Example: The tax deduction helped reduce his overall taxable income substantially.
    • 3. The act of taking away or reducing something.
      • Example: The deduction of funds from the account was necessary to cover the expenses.

    Etymology

    Late Middle English: from Latin deductio, from deducere 'to lead down.'

    Common Phrases and Expressions

    tax deduction:

    An expense that can be subtracted from gross income to reduce the amount of income subject to tax.

    logical deduction:

    A process of reasoning wherein a conclusion is drawn from a set of premises.

    deduction method:

    A method of reasoning where conclusions are drawn by logically applying general principles.

    Related Words

    induction:

    A reasoning process where general principles are derived from specific observations.

    inference:

    A conclusion derived from evidence and reasoning rather than from explicit statements.

    abduction:

    A form of logical inference that goes from an observable fact to a plausible generalization.

    Slang Meanings of deduction

    Meaning: A deduction about someone's behavior.

    Example Sentence: He made a deduction about her feelings based on her body language.

    Meaning: Tax deductions often spoken informally as tax breaks.

    Example Sentence: I just got all my tax break info ready for the accountant.