Standard Lemma guide

rationale

noun · 4 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • UK: /ˌɹæʃ.əˈnɑːl/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • rhymes with -ɑːl
  • US: /ˌɹæʃ.əˈnæl/
  • rhymes with -æl
  • Philippines: /ˌɹæ.ʃəˈnæ.le/
  • CMU ARPABET: R AE2 SH AH0 N AE1 L Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

An explanation of the basis or fundamental reasons for something.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A justification or rationalization for something.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

A liturgical vestment worn by some Christian bishops of various denominations.

Definition source: English Wiktionary via Wiktextract

Usage: rare

Topics: lifestyle, religion

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

(law) an explanation of the fundamental reasons (especially an explanation of the working of some device in terms of laws of nature)

Definition source: Princeton WordNet 3.0

Examples

  • the rationale for capital punishment
  • the principles of internal-combustion engines

Meaning relationships

Synonyms: principle

Antonyms: none provided

Broader terms: explanation

Narrower terms: dialectics

History

Etymology

From Late Latin ratiōnāle.

From Latin ratiōnāle.

Across languages

Translations

48 source translations are retained for this English entry.

  • Belarusian: абгрунтаванне (abhruntavannje) — explanation of the basis or fundamental reasons
  • Bulgarian: логично обяснение (logično objasnenie) — explanation of the basis or fundamental reasons
  • Chinese Mandarin: 推理 (tuīlǐ) — explanation of the basis or fundamental reasons
  • Chinese Mandarin: 原理 (yuánlǐ) — explanation of the basis or fundamental reasons
  • Dutch: ratio — explanation of the basis or fundamental reasons
  • Finnish: perustelu — explanation of the basis or fundamental reasons
  • Finnish: perusteet — explanation of the basis or fundamental reasons
  • Finnish: perussyyt — explanation of the basis or fundamental reasons
  • French: raison — explanation of the basis or fundamental reasons
  • German: Argumentation — explanation of the basis or fundamental reasons
  • German: Begründung — explanation of the basis or fundamental reasons
  • Greek: σκεπτικό (skeptikó) — explanation of the basis or fundamental reasons
  • Hungarian: indoklás — explanation of the basis or fundamental reasons
  • Hungarian: okfejtés — explanation of the basis or fundamental reasons
  • Norwegian Bokmål: rasjonale — explanation of the basis or fundamental reasons
  • Polish: przesłanki — explanation of the basis or fundamental reasons
  • Russian: основа́ние (osnovánije) — explanation of the basis or fundamental reasons
  • Russian: обоснова́ние (obosnovánije) — explanation of the basis or fundamental reasons
  • Russian: оправда́ние (opravdánije) — explanation of the basis or fundamental reasons
  • Serbo-Croatian: razlog — explanation of the basis or fundamental reasons
  • Serbo-Croatian: opravdanje — explanation of the basis or fundamental reasons
  • Slovak: zdôvodnenie — explanation of the basis or fundamental reasons
  • Spanish: fundamentación — explanation of the basis or fundamental reasons
  • Spanish: fundamento — explanation of the basis or fundamental reasons
  • Spanish: raciocinio — explanation of the basis or fundamental reasons
  • Turkish: mantıklı izah — explanation of the basis or fundamental reasons
  • Turkish: ussal açıklama — explanation of the basis or fundamental reasons
  • Bulgarian: обосновка (obosnovka) — justification or rationalization
  • Chinese Mandarin: 理由 (lǐyóu) — justification or rationalization
  • Dutch: onderbouwing — justification or rationalization
  • Finnish: perustelu — justification or rationalization
  • Finnish: perusteet — justification or rationalization
  • French: justification — justification or rationalization
  • French: raison — justification or rationalization
  • Hungarian: indokolás — justification or rationalization
  • Polish: uzasadnienie — justification or rationalization
  • Russian: основа́ние (osnovánije) — justification or rationalization
  • Serbo-Croatian: obrazloženje — justification or rationalization
  • Slovak: zdôvodnenie — justification or rationalization
  • Chinese Mandarin: 主教法衣 (zhǔjiào fǎyī) — liturgical vestment
  • Finnish: rationaali — liturgical vestment
  • French: rational — liturgical vestment
  • French: surhuméral — liturgical vestment
  • German: Rationale — liturgical vestment
  • German: Superhumerale — liturgical vestment
  • Italian: razionale — liturgical vestment
  • Polish: racjonał — liturgical vestment
  • Russian: рационал (racional) — liturgical vestment
Real reading context

rationale in complete knowledge articles