The Collaborative International Dictionary of English v.0.48:

Jewel \Jew"el\, v. t. [imp. & p. p. Jeweled, or Jewelled; p.
   pr. & vb. n. Jeweling, or Jewelling.]
   To dress, adorn, deck, or supply with jewels, as a dress, a
   sword hilt, or a watch; to bespangle, as with jewels; to
   bejewel.
   [1913 Webster]

         The long gray tufts . . . are jeweled thick with dew.
                                                  --M. Arnold.
   [1913 Webster] jeweled

The Collaborative International Dictionary of English v.0.48:

Jewel \Jew"el\ (j[=u]"[e^]l or j[udd]"[e^]l), n. [OE. juel,
   jowel, OF. jouel, juel, joiel, F. joyau, dim. of OF. joie
   joy, jewel, F. joie joy. See Joy.]
   [1913 Webster]
   1. An ornament of dress usually made of a precious metal, and
      having enamel or precious stones as a part of its design.
      [1913 Webster]

            Plate of rare device, and jewels
            Of rich and exquisite form.           --Shak.
      [1913 Webster]

   2. A precious stone; a gem. --Shak.
      [1913 Webster]

   3. An object regarded with special affection; a precious
      thing. "Our prince (jewel of children)." --Shak.
      [1913 Webster]

   4. A bearing for a pivot a pivot in a watch, formed of a
      crystal or precious stone, as a ruby.
      [1913 Webster]

   Jewel block (Naut.), block at the extremity of a yard,
      through which the halyard of a studding sail is rove.
      [1913 Webster]

WordNet (r) 3.0 (2006):

jewel
    n 1: a precious or semiprecious stone incorporated into a piece
         of jewelry [syn: jewel, gem, precious stone]
    2: a person who is as brilliant and precious as a piece of
       jewelry [syn: jewel, gem]
    v 1: adorn or decorate with precious stones; "jeweled dresses"
         [syn: bejewel, jewel]

Moby Thesaurus II by Grady Ward, 1.0:

117 Moby Thesaurus words for "jewel":
   acceptable person, anklet, armlet, ball bearing, bangle, bead,
   beads, bearing, bejewel, beribbon, beset, bespangle, bevel bearing,
   bijou, boast, boon, bracelet, breastpin, brilliant, brooch,
   bushing, capital fellow, catch, chain, chaplet, charm, chatelaine,
   circle, coronet, cosset, crown, darling, diadem, diamond, earring,
   engrave, favorite, feather, figure, filigree, find, flag, flounce,
   flower, fob, fondling, garland, gem, gentleman, godsend,
   good fellow, good lot, good man, good person, good sort,
   good thing, good woman, headstock, honest man, ideal, idol,
   illuminate, lady, locket, marvel, matinee idol, mensch, minion,
   necklace, needle bearing, nonesuch, nonpareil, nose ring, ornament,
   paint, pearl, perfect gentleman, perfect lady, persona grata, pet,
   phoenix, pin, plum, plume, precious stone, preference, pride,
   pride and joy, prince, prize, real man, rhinestone, ribbon,
   right sort, ring, rock, roller bearing, rough diamond, spangle,
   sparkler, spoiled child, stickpin, stone, thrust bearing, tiara,
   tinsel, torque, treasure, trophy, trouvaille, wampum, windfall,
   winner, worthy, wreathe, wristband, wristlet