melodious

from WordNet (r) 3.0 (2006)

melodious
    adj 1: having a musical sound; especially a pleasing tune [syn:
           {tuneful}, {melodious}] [ant: {tuneless}, {unmelodious},
           {untuneful}]
    2: containing or constituting or characterized by pleasing
       melody; "the melodious song of a meadowlark" [syn:
       {melodious}, {melodic}, {musical}] [ant: {unmelodic},
       {unmelodious}, {unmusical}]

from The Collaborative International Dictionary of English v.0.48

Melodious \Me*lo"di*ous\, a. [Cf. F. m['e]lodieux. See
   {Melody}.]
   Containing, or producing, melody; musical; agreeable to the
   ear by a sweet succession of sounds; as, a melodious voice.
   "A melodious voice." "A melodious undertone." --Longfellow.
   -- {Me*lo"di*ous*ly}, adv. -- {Me*lo"di*ous*ness}, n.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

47 Moby Thesaurus words for "melodious":
      achingly sweet, agreeable, agreeable-sounding, appealing, ariose,
      arioso, canorous, cantabile, catchy, dulcet, euphonic, euphonious,
      euphonous, fine-toned, golden, golden-tongued, golden-voiced,
      harmonious, honeyed, lyric, lyrical, melic, mellifluent,
      mellifluous, mellisonant, mellow, melodic, 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

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