The Collaborative International Dictionary of English v.0.48:

Gilt-edge \Gilt"-edge`\, Gilt-edged \Gilt"-edged`\, a.
   1. Having a gilt edge; as, gilt-edged paper.
      [1913 Webster]

   2. Of the best quality; -- said of negotiable paper, etc.
      [Slang, U. S.]
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

decorated \decorated\ adj.
   having decorations. [Narrower terms: beaded, beady,
   bejeweled, bejewelled, bespangled, gemmed, jeweled, jewelled,
   sequined, spangled, spangly; bedaubed; bespectacled,
   monocled, spectacled; braided; brocaded, embossed,
   raised; buttony; carbuncled; champleve, cloisonne,
   enameled; crested, plumed having a decorative plume);
   crested, top-knotted, topknotted, tufted; crested;
   embellished, ornamented, ornate; embroidered; encircled,
   ringed, wreathed; fancied up, gussied, gussied up, tricked
   out; feathery, feathered, plumy; frilled, frilly,
   ruffled; fringed; gilt-edged; inflamed; inlaid;
   inwrought; laced; mosaic, tessellated; paneled,
   wainscoted; studded; tapestried; tasseled, tasselled;
   tufted; clinquant, tinseled, tinselly; tricked-out]
   Also See: clothed, fancy. Antonym: unadorned.

   Syn: adorned.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

gilt-edged
    adj 1: of the highest quality or value; "gilt-edged securities";
           "gilt-edged credentials"
    2: having gilded edges as the pages of a book