swinging (http://definr.com/swinging)

     adj 1: moving to and fro suspended or as if suspended from above;
            "a swinging flower basket" [syn: swaying]
     2: characterized by a buoyant rhythm; "an easy lilting stride";
        "the flute broke into a light lilting air"; "a swinging
        pace"; "a graceful swingy walk"; "a tripping singing
        measure" [syn: lilting, swingy, tripping]
     n : changing location by moving back and forth [syn: swing]