The Collaborative International Dictionary of English v.0.48:

Tinsel \Tin"sel\, v. t. [imp. & p. p. Tinseledor Tinselled;
   p. pr. & vb. n. Tinseling or Tinselling.]
   To adorn with tinsel; to deck out with cheap but showy
   ornaments; to make gaudy.
   [1913 Webster]

         She, tinseled o'er in robes of varying hues. --Pope.
   [1913 Webster]

WordNet (r) 3.0 (2006):

tinseled
    adj 1: glittering with gold or silver [syn: clinquant,
           tinseled, tinselly]