[{"Bold_text": "adjective", "List Items": ["without rough motion; still or nearly still:a calm sea.Synonyms: motionless , quiet", "not windy or stormy:a calm day.Antonyms: tempestuous", "free from excitement or passion; tranquil :a calm face;a calm manner.Synonyms: self-possessed self-possessed, serene , unruffled , placid Antonyms: agitated"]}, {"Bold_text": "noun", "List Items": ["freedom from motion or disturbance; stillness .", "Meteorology.wind speed of less than 1 mile per hour (0.447 meter per second).", "freedom from agitation, excitement, or passion; tranquility ; serenity :We look forward to the calm of the island after the summer residents have all returned to the mainland.She faced the possibility of death with complete calm."]}, {"Bold_text": "verb (used with object)", "List Items": ["to make calm:He calmed the excited dog.Synonyms: soften , soothe , mollify , assuage , allay , tranquilize , quiet , still"]}, {"Bold_text": "verb (used without object)", "List Items": ["to become calm (usually followed bydown)."]}]