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

Without the match sweetening the deal, the argument for prioritizing retirement contributions over debt payoff weakens somewhat — though the tax deduction on traditional 401(k) contributions still has value. — Angelica Leicht, CBS News, 1 July 2026

Overall, the jurors do far better than most players in social deduction games. — Tasha Robinson, Vulture, 30 June 2026

When we were first introduced to her, Sherlock Holmes’ younger sister Enola was a fresh-faced teenager, extremely intelligent but inexperienced in the art of deduction. — Frank Scheck, HollywoodReporter, 30 June 2026

Meanwhile, the federal standard deduction shields single filers and married couples with $15,750 and $31,500, respectively. — Tim Dunn, Boston Herald, 25 June 2026