melodic

from WordNet (r) 3.0 (2006)

melodic
    adj 1: containing or constituting or characterized by pleasing
           melody; "the melodious song of a meadowlark" [syn:
           {melodious}, {melodic}, {musical}] [ant: {unmelodic},
           {unmelodious}, {unmusical}]
    2: of or relating to melody; "melodic harmony"

from The Collaborative International Dictionary of English v.0.48

Melodic \Me*lod"ic\, a. [L. melodicus, Gr. ?: cf. F.
   m['e]lodique.]
   Of the nature of melody; relating to, containing, or made up
   of, melody; melodious.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

44 Moby Thesaurus words for "melodic":
      achingly sweet, agreeable, agreeable-sounding, appealing, ariose,
      arioso, canorous, cantabile, catchy, dulcet, euphonic, euphonious,
      euphonous, fine-toned, golden, golden-tongued, golden-voiced,
      honeyed, melic, mellifluent, mellifluous, mellisonant, mellow,
      melodious, music-flowing, music-like, musical, pleasant,
      pleasant-sounding, rich, silver-toned, silver-tongued,
      silver-voiced, silvery, singable, songful, songlike, sonorous,
      sweet, sweet-flowing, sweet-sounding, tunable, tuned, tuneful