What does "deduce" mean?
To reach (a conclusion) by applying rules of logic or other forms of reasoning to given premises or known facts.
Deduce
/dɪˈdʒuːs/ verb
verb ·Common ·High school level
Meaning at a glance
- Primary sense: To reach (a conclusion) by applying rules of logic or other forms of reasoning to given premises or known facts.
- Grammar: deduce is listed as verb.
- Nearest alternatives: infer, abstract only, analyses, analyze.
- Useful contrasts: inducting, positing, abduce.
- Usage evidence: We began to see what we can deduce from it.
How to use "deduce"
- Start with the primary definition, then check the part of speech before placing the word in a sentence.
- Compare nearby synonyms to make sure "deduce" carries the exact meaning, tone, and strength you need.
- Use the example sentence as a context check. If your sentence uses the word differently, confirm that the grammar still fits.
Meaning check
- Does the word fit the sentence's grammar?
- Does it match the intended tone rather than only the dictionary definition?
- Would a simpler synonym be clearer for the reader?
- Is there enough surrounding context to prevent ambiguity?
Source and review context
This entry combines structured lexical data with WordToolSet review checks. Definitions, examples, synonyms, and usage notes may come from different source tables, so the page is designed to show evidence from more than one angle before you rely on "deduce" in a final draft.
If a word has several senses, prefer the sense that matches your sentence's grammar and surrounding context. A correct definition can still be the wrong choice when the sentence needs a different register, emphasis, or level of specificity.
Before you rely on this definition
Read the first definition as a starting point, then check the example, synonyms, and part of speech before treating "deduce" as the right word for your sentence.
If your draft is formal, technical, persuasive, or sensitive, compare "deduce" with a nearby alternative so the final choice matches both meaning and reader expectation.
Compare nearby meanings
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- Use antonyms to check the boundary of the meaning and avoid accidental contrast.
- Use the example sentence to confirm the word behaves naturally in context.
- Keep the original wording when a replacement adds complexity without improving precision.
Definition decision workflow
1. Identify the role
Check whether "deduce" is acting as verb in your sentence. A definition is only useful when the grammar matches the way the word is being used.
2. Test the nearest option
Compare it with "infer" and other nearby choices to see whether the sentence needs a softer, stronger, or more familiar word.
3. Confirm with context
Use the example sentence below as an evidence check, then read your own sentence out loud to catch tone or rhythm problems.
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Final meaning check
Before publishing a sentence with "deduce", ask whether the word helps the reader understand the idea faster. A precise word should reduce confusion, not simply make the sentence look more polished.
When the definition, synonym evidence, and example context point in the same direction, the word is usually a safer choice. When they conflict, revise the sentence or choose a clearer alternative.
Definitions
Verb
- 1 To reach (a conclusion) by applying rules of logic or other forms of reasoning to given premises or known facts. transitive
"[T]he puritan buyldeth directly vpon the proteſtants firſt groundes in religion, & deduceth therof clearly and by ordinary conſequence al his concluſions, which the proteſtant cannot deny by divinity, but only by pollicy & humane ordination, or by turning to catholique anſwers contrary to ther owne principles: […]"
- 2 reason by deduction; establish by deduction wordnet
- 3 To examine, explain, or record (something) in an orderly manner. transitive, uncommon
"Pye[d-mantle]. […] Sir, I haue drawne / A Pedigree for her Grace, though yet a Nouice / In that ſo noble ſtudy. […] I haue deduc'd her.— […]"
- 4 conclude by reasoning; in logic wordnet
- 5 To obtain (something) from some source; to derive. archaic, transitive
"O Goddeſs, ſay, ſhall I deduce my rhimes / From the dire nation in its early times, / Europa’s rape, Agenor’s ſtern decree, / And Cadmus ſearching round the ſpacious ſea?"
Show 3 more definitions
- 6 To be derived or obtained from some source. archaic, intransitive
"[B]y the ſtatute 7 Ann. c. 21 […] it is enacted, that, after the death of the pretender, and his ſons, no attainder for treaſon ſhall extend to the diſinheriting any heir, nor the prejudice of any perſon, other than the offender himſelf: which proviſions have indeed carried the remedy farther, than was required by the hardſhip above complained of; which is only the future obſtruction of deſcents, where the pedigree happens to be deduced through the blood of an attainted anceſtor."
- 7 To take away (something); to deduct, to subtract (something). obsolete, transitive
"to deduce a part from the whole"
- 8 To lead (something) forth. obsolete, transitive
"Richard of the Vies will that Penda, K[ing] of Mereland, firſt deduced a colony of Cambridge men hither and cals it Crekelade, as other Kirklade with variety of names: […]"
Synonyms
All synonymsExample
"We began to see what we can deduce from it."
Common questions
What is a synonym for "deduce"?
Common synonyms include: infer, abstract only, analyses, analyze, analyze sample, analyzing data.
How do you use "deduce" in a sentence?
We began to see what we can deduce from it.
How do you pronounce "deduce"?
Pronounced /dɪˈdʒuːs/.
Etymology
From Late Middle English deducen (“to demonstrate, prove, show; to argue, infer; to bring, lead; to turn (something) to a use; to deduct”), borrowed from Latin dēdūcere, the present active infinitive of dēdūcō (“to lead or bring out or away; to accompany, conduct, escort; (figuratively) to derive, discover, deduce”); from dē- (prefix meaning ‘from, away from’) + dūcere (the present active infinitive of dūcō (“to conduct, guide, lead; to draw, pull; to consider, regard, think”), ultimately from Proto-Indo-European *dewk- (“to lead; to draw, pull”)).