THESAURUS
rationally
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