The Collaborative International Dictionary of English v.0.48:

balletic \balletic\ adj.
   of or pertaining to ballet[1].
   [WordNet 1.5]

WordNet (r) 3.0 (2006):

balletic
    adj 1: characteristic of or resembling or suitable for ballet

Moby Thesaurus II by Grady Ward, 1.0:

38 Moby Thesaurus words for "balletic":
   actor-proof, all-star, ballet, cinematic, cinematographic, dance,
   dancing, dramatic, dramatical, dramaturgic, film, filmic, ham,
   hammy, histrionic, legitimate, melodramatic, milked, monodramatic,
   movie, operatic, overacted, overplayed, scenic, spectacular,
   stagelike, stageworthy, stagy, starstruck, stellar, terpsichorean,
   theaterlike, theatrical, thespian, thrown away, underacted,
   underplayed, vaudevillian