from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Reasoning, conscious deliberate inference; the activity or process of reasoning.
  • n. Thought or reasoning that is exact, valid and rational.
  • n. A proposition arrived at by such thought.

from the GNU version of the Collaborative International Dictionary of English

  • n. The process of reasoning, or deducing conclusions from premises; deductive reasoning.

from The Century Dictionary and Cyclopedia

  • n. The mental process of passing from the cognition of premises to the cognition of the conclusion; reasoning.
  • n. A mental product and object consisting of premises and a conclusion drawn from them; inference; an argumentation.
  • n. Synonyms Reasoning, etc. See inference.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. logical and methodical reasoning
  • n. the proposition arrived at by logical reasoning (such as the proposition that must follow from the major and minor premises of a syllogism)


from Wiktionary, Creative Commons Attribution/Share-Alike License

From French ratiocination, from Latin ratiocinatio ("reasoning, argumentation, a syllogism"), from ratiocinatus, past participle of ratiocinari ("to reason")


  • Argumentative as the Buddhist suttas are, their aim is strictly practical, even when their language appears scholastic, and the burden of all their ratiocination is the same and very simple.

    Hinduism and Buddhism, An Historical Sketch, Vol. 1

  • There is a narrower sense, in which the name reasoning is confined to the form of inference which is termed ratiocination, and of which the syllogism is the general type.

    A System Of Logic, Ratiocinative And Inductive (Vol. 1 of 2)

  • Up against a ticking clock, myriad plot twists and turns and a roster of red herring suspects, the hero eventually solves the mystery through logical deduction, a process known as ratiocination, not to mention a little luck.


  • a soliddity of judgement in him, so infinite a fancy bounde in by a most logicall ratiocination, such a vast knowledge, that he was not ignorant in any thinge, yet such an excessive humillity as if he had knowne nothinge, that they frequently resorted and dwelt with him, as in a Colledge scituated in a purer ayre, so that his house was

    Characters from 17th Century Histories and Chronicles

  • The squareness of it showed "ratiocination"; and the fulness under the eyes "language".

    The Jewel of Seven Stars

  • And it is worth attention that when Clifford is aroused to sudden action by Judge Pyncheon's death, the coruscating play of his intellect is almost precisely that brilliant but defective kind of ratiocination which Poe so delights to display.

    A Study Of Hawthorne

  • Judge Pyncheon's death, the coruscating play of his intellect is almost precisely that brilliant but defective kind of ratiocination which Poe so delights to display.

    A Study of Hawthorne

  • Employing Poe's methods of "ratiocination," Scooby and friends embark on a madcap chase through the spooky house!

    ComicList Headlines

  • It lays stress on the right things—the survival, one might say the reaccentuation, of the metaphysical strain, the concetti metafisici ed ideali as Testi calls them in contrast to the simpler imagery of classical poetry, of mediaeval Italian poetry; the more intellectual, less verbal, character of their wit compared with the conceits of the Elizabethans; the finer psychology of which their conceits are often the expression; their learned imagery; the argumentative, subtle evolution of their lyrics; above all the peculiar blend of passion and thought, feeling and ratiocination which is their greatest achievement.

    Introduction. Grierson, Herbert J.C

  • "ratiocination," that is, of the ingenious thinking out of a problem, as

    The Short-story


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  • Here is an example of "ratiocination" as it might appear in cases of mental illness as explored in "Tender is the Night" by F. Scott Fitzgerald.

    "The faces of the patients wore the expression of one who had just signed profoundly, dismissing something insoluble--but their sighs only marked the beginning of another ceaseless round of RATIOCINATION, not in a line as with normal people but in the same circle. Round, round and round. Around forever."

    March 27, 2009

  • About 10,000 to one for words of eight letters of more.

    December 1, 2008

  • For any word under eight letters long, pretty slim.

    December 1, 2008

  • What are the odds of a word having the exciting 'atio' sequence twice?

    December 1, 2008

  • "He spent ten years in Thibet organising the clarified butter industry on modern European lines, and was able to retire at thirty-six with a handsome fortune. The rest of his life he devoted to travel and ratiocination; here is the result."

    - Aldous Huxley, Crome Yellow

    March 29, 2008

  • "He took the Naval Chronicle, and after a little while he burst in upon Stephen's ratiocination with a fine exultant cry, 'By God, Stephen, she did it! Ajax came up with the Méduse off La Hogue and beat her into mummy in thirty-five minutes...'"

    --Patrick O'Brian, The Surgeon's Mate, 361

    February 9, 2008

  • There are numerous un-Japanese things about Wordsworth, I find.

    November 26, 2007

  • What is un-Japanese about Wordsworth, however - and you only need to remember a poem like The Prelude or "Tintern Abbey" to realise it - is the nimbus of introspection and ratiocination which surrounds the physical details of the scene. Seamus Heaney in The Guardian.

    November 25, 2007