rationale

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UK/ˌɹæʃ.əˈnɑːl/US/ˌɹæʃ.əˈnæl/Philippines/ˌɹæ.ʃəˈnæ.le/

noun

An explanation of the basis or fundamental reasons for something.

Meanings

rationale1

nounrationale (plural rationales or rationalia)

plural rationales · plural rationalia

  1. An explanation of the basis or fundamental reasons for something.

    Synonyms: reasoning, rationalization

  2. A justification or rationalization for something.
    1 more example

    He confirmed that Bashir successfully manipulated Diana’s paranoia by showing her brother, Earl Spencer, forged documents that “proved” her closest advisers had betrayed her to the palace, inflaming her desire to speak out for herself. Bashir lied his way to the biggest TV scoop of the 20th century. Dyson’s censure at least gave her two sons some rationale for why Diana did something so destructive to their happiness.

    April 5 2022, Tina Brown, “How Princess Diana’s Dance With the Media Impacted William and Harry”, in Vanity Fair

    Synonyms: reasoning

rationale2

nounrationale (plural rationales)

plural rationales

  1. rarelifestyleA liturgical vestment worn by some Christian bishops of various denominations.

    the local bishop, H.E. Gregor Maria Hanke, is shown wearing that rarest of liturgical garments, the rationale.

    2015, Gregory Dipippo, Rationale Worn by the Bishop of Eichstätt

Synonyms & antonyms

nounAn explanation of the basis or fundamental reasons for something.

nounA justification or rationalization for something.

Similar

More synonyms by meaning

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

Similar

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

rationale · noun

  1. Late Latinratiōnāle
  2. Englishrationale

From Late Latin ratiōnāle.

Full word history & related roots →

rationale · noun

  1. Latinratiōnāle
  2. Englishrationale

From Latin ratiōnāle.

Full word history & related roots →

Translations

Bulgarian логично обяснение, обосновка
  • логично обяснение (logično objasnenie)explanation of the basis or fundamental reasons
  • обосновка (obosnovka)justification or rationalization
Chinese Mandarin 推理, 原理
  • 推理 (tuīlǐ)explanation of the basis or fundamental reasons
  • 原理 (yuánlǐ)explanation of the basis or fundamental reasons
  • 理由 (lǐyóu)justification or rationalization
  • 主教法衣 (zhǔjiào fǎyī)liturgical vestment
Dutch ratio, onderbouwing
  • ratioexplanation of the basis or fundamental reasons
  • onderbouwingjustification or rationalization
Finnish perustelu, perusteet
  • perusteluexplanation of the basis or fundamental reasons
  • perusteetexplanation of the basis or fundamental reasons
  • perussyytexplanation of the basis or fundamental reasons
  • perustelujustification or rationalization
  • perusteetjustification or rationalization
  • rationaaliliturgical vestment
French raison, justification
  • raisonexplanation of the basis or fundamental reasons
  • justificationjustification or rationalization
  • raisonjustification or rationalization
  • rationalliturgical vestment
  • surhuméralliturgical vestment
German Argumentation, Begründung
  • Argumentationexplanation of the basis or fundamental reasons
  • Begründungexplanation of the basis or fundamental reasons
  • Rationaleliturgical vestment
  • Superhumeraleliturgical vestment
Greek σκεπτικό
  • σκεπτικό (skeptikó)explanation of the basis or fundamental reasons
Hungarian indoklás, okfejtés
  • indoklásexplanation of the basis or fundamental reasons
  • okfejtésexplanation of the basis or fundamental reasons
  • indokolásjustification or rationalization
Italian razionale
  • razionaleliturgical vestment
Norwegian Bokmål rasjonale
  • rasjonaleexplanation of the basis or fundamental reasons
Polish przesłanki, uzasadnienie
  • przesłankiexplanation of the basis or fundamental reasons
  • uzasadnieniejustification or rationalization
  • racjonałliturgical vestment
Russian основа́ние, обоснова́ние
  • основа́ние (osnovánije)explanation of the basis or fundamental reasons
  • обоснова́ние (obosnovánije)explanation of the basis or fundamental reasons
  • оправда́ние (opravdánije)explanation of the basis or fundamental reasons
  • основа́ние (osnovánije)justification or rationalization
  • рационал (racional)liturgical vestment
Slovak zdôvodnenie, zdôvodnenie
  • zdôvodnenieexplanation of the basis or fundamental reasons
  • zdôvodneniejustification or rationalization
Spanish fundamentación, fundamento
  • fundamentaciónexplanation of the basis or fundamental reasons
  • fundamentoexplanation of the basis or fundamental reasons
  • raciocinioexplanation of the basis or fundamental reasons
Turkish mantıklı izah, ussal açıklama
  • mantıklı izahexplanation of the basis or fundamental reasons
  • ussal açıklamaexplanation of the basis or fundamental reasons

Rhymes & wordplay

Rhymes with rationale

All rhymes →

Anagrams

Cite this entry
APA

rationale. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/rationale

MLA

“rationale.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/rationale. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “rationale,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/rationale.

Source: rationale on Wiktionary, CC BY-SA 4.0.