[{"Bold_text": "verb (used without object)", "List Items": ["to meditate or muse; ponder.Synonyms: reflect , think", "Psychology.to obsessively revisit the same thought or theme over and over again.", "to chew the cud , as a ruminant ."]}, {"Bold_text": "verb (used with object)", "List Items": ["to chew again or over and over.", "to meditate on; ponder."]}]