Synonyms of deduction

deduction

noun

di-ˈdək-shən 

1

as in reduction

something that is or may be subtracted

contestants get a deduction from their scores for every incorrect guess

Synonyms & Similar Words

• reduction
• discount
• abatement
• depreciation
• drop
• rebate
• decline
• loss
• penalty
• diminution
• forfeiture
• dent
• decrement
• giveback
• kickback
• forfeit
• diminishment
• fall

Antonyms & Near Antonyms

• addition
• increase
• gain
• accession
• rise
• increment
• appreciation
• accrual
• augmentation
• raise
• boost
• accretion

2

as in subtraction

the act or an instance of taking away from a total

the deduction of the amount awarded to the plaintiff in order to pay the legal fees

Synonyms & Similar Words

• reduction
• subtraction
• discount
• drop
• decline
• rebate
• diminution
• loss
• shrinkage
• abatement
• decrement
• kickback
• curtailment
• cutback
• giveback
• detraction
• cut
• diminishment
• fall

Antonyms & Near Antonyms

• addition
• increase
• gain
• accession
• increment
• rise
• enlargement
• raise
• boost
• accumulation
• supplement
• appendix
• supplementation
• augmentation
• accrual
• accretion
• addendum

3

as in inference

an opinion arrived at through a process of reasoning

his impressive deduction of the correct answer from only a few hints

Synonyms & Similar Words

• inference
• determination
• conclusion
• decision
• induction
• consequence
• assumption
• diagnosis
• verdict
• eduction
• ruling
• sequitur
• resolution
• judgment
• guess
• conjecture
• presumption
• surmise
• deliverance
• supposition

Example Sentences

Recent Examples of deduction

Per Le Monde, these initiatives were driven by a calculated desire to showcase his power, seize marketing opportunities, and declare tax deductions. — Devorah Lauter For Artnews, Robb Report, 29 July 2026

The league-run TV station MLB Network would have no deduction limit, and for 2027 and 2028, neither would costs from any team’s local broadcasts. — Evan Drellich, New York Times, 28 July 2026

For example, only those tips that are voluntary are eligible for the deduction, meaning that mandatory gratuities and service fees charged at various places, including many restaurants, are excluded. — Tax Notes Staff, Forbes.com, 28 July 2026

The bonus deduction phases out for joint filers with a Modified Adjusted Gross Income (MAGI) over $150,000. — Nick Perry, USA Today, 24 July 2026