The Collaborative International Dictionary of English v.0.48:

Gild \Gild\ (g[i^]ld), v. t. [imp. & p. p. Gilded or Gilt
   (?); p. pr. & vb. n. Gilding.] [AS. gyldan, from gold gold.
   [root]234. See Gold.]
   1. To overlay with a thin covering of gold; to cover with a
      golden color; to cause to look like gold. "Gilded
      chariots." --Pope.
      [1913 Webster]

            No more the rising sun shall gild the morn. --Pope.
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   2. To make attractive; to adorn; to brighten.
      [1913 Webster]

            Let oft good humor, mild and gay,
            Gild the calm evening of your day.    --Trumbull.
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   3. To give a fair but deceptive outward appearance to; to
      embellish; as, to gild a lie. --Shak.
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   4. To make red with drinking. [Obs.]
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            This grand liquior that hath gilded them. --Shak.
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WordNet (r) 3.0 (2006):

gild
    n 1: a formal association of people with similar interests; "he
         joined a golf club"; "they formed a small lunch society";
         "men from the fraternal order will staff the soup kitchen
         today" [syn: club, social club, society, guild,
         gild, lodge, order]
    v 1: decorate with, or as if with, gold leaf or liquid gold
         [syn: gild, begild, engild]

Moby Thesaurus II by Grady Ward, 1.0:

108 Moby Thesaurus words for "gild":
   adorn, apply paint, aurify, bedaub, belie, besmear, brighten,
   brush on paint, butter, calcimine, camouflage, coat, color,
   complexion, convolute, cover, dab, daub, decorate, deep-dye, dip,
   disguise, distemper, distort, double-dye, dress up, dye, elaborate,
   embellish, emblazon, embroider, enamel, engild, enrich, face,
   falsify, fast-dye, festoon, flourish, fresco, fudge, garble,
   gild the lily, glaze, gloss, gloss over, grain, hue, illuminate,
   imbue, ingrain, involve, japan, jaundice, lacquer, lay on,
   lay on color, load with ornament, mask, miscite, miscolor,
   misquote, misreport, misrepresent, misstate, ornament, overcharge,
   overlay, overload, overstate, paint, parget, pervert, pigment,
   prime, sallow, shade, shadow, shellac, slant, slap on, slather,
   slop on paint, smear, smear on, spread on, spread with, stain,
   stipple, strain, sweeten, tar, tinct, tincture, tinge, tint,
   titivate, tone, trick out, turn yellow, twist, undercoat,
   understate, varnish, warp, wash, whitewash, yellow