The Collaborative International Dictionary of English v.0.48:

Shapely \Shape"ly\, a. [Compar. Shapelier; superl.
   Shapeliest.]
   1. Well-formed; having a regular shape; comely; symmetrical.
      --T. Warton.
      [1913 Webster]

            Waste sandy valleys, once perplexed with thorn,
            The spiry fir and shapely box adorn.  --Pope.
      [1913 Webster]

            Where the shapely column stood.       --Couper.
      [1913 Webster]

   2. Fit; suitable. [Obs.]
      [1913 Webster]

            Shaply for to be an alderman.         --Chaucer.
      [1913 Webster]

WordNet (r) 3.0 (2006):

shapely
    adj 1: having a well-proportioned and pleasing shape; "a slim
           waist and shapely legs" [ant: unshapely]

Moby Thesaurus II by Grady Ward, 1.0:

48 Moby Thesaurus words for "shapely":
   Junoesque, agreeable, amply endowed, balanced, becoming, bonny,
   braw, built, built for comfort, buxom, callipygian, callipygous,
   clean, clean-cut, clean-limbed, comely, curvaceous, curvy, fair,
   goddess-like, good-looking, goodly, graceful, likely,
   lovely to behold, neat, personable, pleasing, pneumatic,
   presentable, proportioned, regular, rounded, sexy, sightly,
   slender, stacked, statuesque, symmetrical, trim, voluptuous,
   well-built, well-favored, well-formed, well-made,
   well-proportioned, well-shaped, well-stacked