[{"Bold_text": "adjective", "List Items": ["having or showing acute mental discernment and keen practical sense; shrewd:Socrates, that sagacious Greek philosopher, believed that the easiest way to learn was by asking questions.Synonyms: perspicacious , keen , sharp , acute , judicious , intelligent , clever , discerning , sage , wise Antonyms: unwise", "Obsolete.having an acute sense of smell."]}]