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Definition of reasoner

reasoner

/ˈriːzənər/
rea · son · er
Adverb:reasonably
•
Plural:reasoners
•
Adjective:reasonable
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reasoner Lexical Profile

reasoner Game Scores & Validity

• noun

1

A person who thinks logically, analyzes arguments, and draws conclusions in a systematic manner.

Example

"As a careful reasoner, she refused to accept the hypothesis until all supporting evidence had been verified."

2

A software program or artificial intelligence module designed to infer logical consequences from a set of asserted facts or axioms.

Example

"The knowledge graph relies on an automated semantic reasoner to detect inconsistencies across the database."

Synonyms
View all synonyms for reasoner

• Rhymes for reasoner

• Nearby Words

reasonable
reasonableness
reasonably
reasoner
reasoning
reasonless
reassemble

Word Origin & Etymology

Formed in late Middle English from the verb 'reason' (from Old French 'raisonner', ultimately from Latin 'ratio' meaning 'reckoning' or 'understanding') combined with the agentive suffix '-er'.

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

Wordmom. (2026). Definition of Reasoner. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/reasoner
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