[rash-ee-os-uh-neyt, -oh-suh-, rat-ee-]
- to reason; carry on a process of reasoning.
Origin of ratiocinate
1635–45; < Latin ratiōcinātus past participle of ratiōcinārī to reckon, calculate, conclude, verbal derivative of ratiō reason
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for ratiocinate
But I give you warning—Stasie may weep and Henri ratiocinate—it will not serve you twice.The Works of Robert Louis Stevenson
Robert Louis Stevenson
- (intr) to think or argue logically and methodically; reason
C17: from Latin ratiōcinārī to calculate, from ratiō reason
Word Origin and History for ratiocinate
"to reason," 1640s, from Latin ratiocinatus, past participle of ratiocinare (see ratiocination). Related: Ratiocinant.
Online Etymology Dictionary, © 2010 Douglas Harper