ratiocinator

Etymology

From ratiocinate + -or.

ratiocinator means one who ratiocinates; a reasoner. Lexicurio rates it Sui generis — a strength score of 85 out of 100.

Why “ratiocinator” is a great word

RATIOCINATOR — [Noun] A person who engages in systematic, step-by-step reasoning. From Latin ratiōcinātor, from ratiōcinārī ("to calculate, reason") + -tor (agent suffix). Unlike a "sophist," who traffics in clever fallacies, or an "intuitive," who trusts the immediate flash of insight, the ratiocinator is a creature of syllogism and structure. It is the quiet click of logical dominoes falling into place, the relentless tick of a clock's escapement, and the clean geometry of a proof on a chalkboard—a mind that builds its cathedral of logic where the light is perfect but nothing breathes.

noun

One who ratiocinates; a reasoner.“Hence the rise in publishing of the “smart thinking” book, an elevated species of self-help for the aspiring ratiocinator.”