| Rationally (adv.) In a rational manner. Thesaurus Entries analytically, artfully, astutely, circumspectly, cleverly, considerately, cunningly, discerningly, discreetly, in all conscience, in all reason, in reason, intelligently, judiciously, knowingly, logically, providently, prudently, reasonably, sagaciously, sanely, sensibly, shrewdly, smartly, soundly, syllogistically, thoughtfully, understandingly, wisely, within bounds, within reason, within reasonable limitations |