One may instance the instinct of flight, which is correlated with fear. In crossing the street we hear "toot, toot," and we run. We do not ratiocinate, we run.
C. W. Saleeby, Woman and Womanhood (A Search for Principles). Amazon
If one is struck by the magnificence of the great towns of the Continent, one should ratiocinate, and conclude that a major characteristic of the great towns of England is their shabby and higgledy-piggledy slovenliness.
You men theorize, ratiocinate, declaim, dogmatize about abstract propositions, and finally get your feet tangled and stumble over facts right under your noses, that women would never fail to pick up and put aside.
And Casimir departed. The Doctor, that night, dissected his character before Anastasie. 'One thing, my beautiful,' he said, 'he has learned one thing from his lifelong acquaintance with your husband: the word RATIOCINATE. It shines in his vocabulary, like a jewel in a muck–heap. And, even so, he continually misapplies it.'
Robert Louis Stevenson, The Merry Men, and other tales and fables. Amazon