1. moving easily and quickly
nimble

e.g. the dancer was light and graceful
a lightsome buoyant step
walked with a light tripping step

Synonym: lightlightsome

2. characterized by a buoyant rhythm

e.g. an easy lilting stride
the flute broke into a light lilting air
a swinging pace
a graceful swingy walk
a tripping singing measure

Synonym: liltingswingingswingy