[{"Bold_text": "noun", "List Items": ["the principal or dominant course, tendency, or trend:the mainstream of American culture.", "a river having tributaries.", "regular school classes or regular schools:keeping autistic students in the mainstream."]}, {"Bold_text": "adjective", "List Items": ["belonging to or characteristic of a principal, dominant, or widely accepted group, movement, style, etc.:mainstream Republicans;a mainstream artist;mainstream media.", "of, relating to, or characteristic of jazz falling historically between Dixieland and modern jazz; specifically, swing music.Compare traditional(def5) traditional(def5)."]}, {"Bold_text": "verb (used with object)", "List Items": ["to send into the mainstream; cause to join the main force, group, etc.:to mainstream young people into the labor force.", "to place (students with disabilities) in regular school classes."]}, {"Bold_text": "verb (used without object)", "List Items": ["to join or be placed in the mainstream."]}]