At the same time I needn't say that in this affair that we're now in the middle of—there's no question of ratiocination.
Yes, Uncle Reub'; ratiocination is a good word in its place.
Instinct is, in a certain sense, a process of ratiocination, though its immediate operations may not be due to reason.
So, when the steaks were done, we besought him to lay bare his system of ratiocination.
Cam signalled for a Bellafonte Sunrise to fortify himself for the forthcoming adventure in non-Aristotelian ratiocination.
To be in love is in a measure to part company with the power of ratiocination.
Rationalization and ratiocination merged in her mind very readily.
A process of ratiocination never troubled the brain of any of the five.
In our idle hours we always improved our higher selves by ratiocination and mental thought.
Here was a process of ratiocination worthy of any autocrat that ever breathed.
"process of reasoning," 1520s, from Latin ratiocinationem (nominative ratiocinatio) "a reasoning, calm reasoning," from past participle stem of ratiocinare "to calculate, deliberate," from ratio (see ratio) + -cinari, which probably is related to conari "to try" (see conation).
Most writers make ratiocination synonymous with reasoning. J.S. Mill and others hold that the word is usually limited to necessary reasoning. [Century Dictionary]