ratiociner
French, verb\ʁa.sjo.si.ne\
ratiociner is spelled R-A-T-I-O-C-I-N-E-R (10 letters) and appears about once in every 76 million words in written French, the 273,192nd most frequent French word form (wordfreq, 2021 data). Ratiociner is a French verb meaning “to deftly reason” (English Wiktionary, September 2026). The French Wiktionary (Wiktionnaire) defines it as “Raisonner d’une façon subtile et pédante”.
What does ratiociner mean in English?
verb
- 1
to deftly reason
Source: English Wiktionary, French section, dump of September 2, 2026 (CC BY-SA 4.0).
How French dictionaries define it
verb: 1. Raisonner d’une façon subtile et pédante. 2. Abuser du raisonnement.
The definition in the French Wiktionary (Wiktionnaire), in French.
Source: French Wiktionary (Wiktionnaire), dump of September 1, 2026 (CC BY-SA 4.0), through kaikki.org.
Forms of ratiociner
- avoir + past participle infinitive multiword-construction
- ratiocinant gerund participle present
- ayant + past participle gerund multiword-construction participle
- ratiociné participle past
- ratiocine first-person indicative present
- ratiocines indicative present second-person
- ratiocinons first-person indicative plural
- ratiocinez indicative plural present
- ratiocinent indicative plural present
- ratiocinais first-person imperfect indicative
- ratiocinait imperfect indicative singular
- ratiocinions first-person imperfect indicative
- ratiociniez imperfect indicative plural
- ratiocinaient imperfect indicative plural
- ratiocinai first-person historic indicative
- ratiocinas historic indicative past
- ratiocina historic indicative past
- ratiocinâmes first-person historic indicative
Source: English Wiktionary and French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026).
How do you pronounce ratiociner?
- \ʁa.sjo.si.ne\
Sources: English Wiktionary, French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026); recordings from Wikimedia Commons.
How common is ratiociner in French?
ratiociner appears about once in every 76 million words in written French.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).