[{"Bold_text": "adjective", "List Items": ["agreeable to reason; reasonable ; sensible :a rational plan for economic development.", "having or exercising reason, sound judgment, or good sense:a calm and rational negotiator.Synonyms: sagacious , judicious , wise , intelligent Antonyms: stupid", "being in or characterized by full possession of one's reason; sane ; lucid :The patient appeared perfectly rational.Antonyms: insane", "endowed with the faculty of reason:rational beings.", "of, relating to, or constituting reasoning powers:the rational faculty.", "proceeding or derived from reason or based on reasoning:a rational explanation.", "Mathematics.capable of being expressed exactly by a ratio of two integers.(of a function) capable of being expressed exactly by a ratio of two polynomials.", "capable of being expressed exactly by a ratio of two integers.", "(of a function) capable of being expressed exactly by a ratio of two polynomials.", "Classical Prosody.capable of measurement in terms of the metrical unit or mora."]}, {"Bold_text": "noun", "List Items": ["Mathematics. rational number rational number."]}]