deduction

noun

A sum that can be removed in tax calculations, usually from the taxable amount; something that is written off.

(law, finance) A sum withheld from an employee's pay for the purpose of paying tax.

That which is deducted; that which is subtracted or removed.

A conclusion; that which is deduced, concluded or figured out

(logic) A process of reasoning that moves from the general to the specific, in which a conclusion follows necessarily from the premises presented, so that the conclusion cannot be false if the premises are true.

The ability or skill to deduce or figure out; the power of reason

Roots

ducoduct- · Latin · lead

Synonyms for deduction

subtractionn illationn discountn depreciationn inferencen rebaten ratiocinationn rebatementn reasoningn syllogismn

Synonyms & related words for deduction

Find synonyms, related words, and the definition of deduction — including subtraction, illation, discount, depreciation, inference, rebate. Dendril is a free visual thesaurus that shows them on an interactive map where stronger matches sit closer to the center — no signup, no ads.

Words related to deduction

Explore words related to deduction — words associated with it, words that go with it, and its nearest matches in meaning. Related words include deducting, deducted, deductibility, entailment, nondeductible, deductible, deductive, deducible. Click any word to make it the center of the map and keep exploring the web of connections.

Synonyms for deduction

Common synonyms for deduction include subtraction, illation, discount, depreciation, inference, rebate, ratiocination, rebatement — words that share a close meaning. Hover or tap any word on the map for its definition and part of speech.

Where does deduction come from?

The word deduction breaks down into one root of Latin origin: the root duct-, from Latin duco (“lead”). Explore each root to see other English words built from the same source.