raison

See also: Raison

French

Etymology

From Old French reson, raison, from Latin rātio, rātionem. Compare the borrowed doublet ration.

Pronunciation

• audio

  (file)

• IPA^(key): /ʁɛ.zɔ̃/

Noun

raison f (plural raisons)

1. reason (cause)
2. reason (mental faculties)
3. (mathematics) common difference (of an arithmetic series)
4. (mathematics) common ratio (of a geometric series)

Derived terms

• avoir raison
• avoir raison de
• raison d'État
• raison d'être
• raisonner

Further reading

• “raison” in le Trésor de la langue française informatisé (The Digitized Treasury of the French Language).

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Old French

Noun

raison f (oblique plural raisons, nominative singular raison, nominative plural raisons)

1. Alternative form of reson