[1] : WordNet (r) 2.0

gussy up
     v : put on special clothes to appear particularly appealing and
         attractive; "she never dresses up, even when she goes to
         the opera"; "the young girls were all fancied up for the
         party" syn: dress up, fig out, fig up, deck up,
         fancy up, trick up, deck out, trick out, prink,
          attire, get up, rig out, tog up, tog out, overdress
         ant: dress down
see also:
dress up fig out fig up deck up fancy up trick up 
deck out trick out prink attire get up 
rig out tog up tog out overdress dress down 

[2] : Moby Thesaurus II by Grady Ward, 1.0

56 moby thesaurus words for "gussy up":
   adorn, array, beautify, become one, bedeck, bedizen, blazon, color,
   dandify, deck, deck out, decorate, dizen, doll up, dress, dress up,
   embellish, emblazon, embroider, enrich, fancy up, fig out, fix up,
   furbish, garnish, get up, glamorize, grace, ornament, overdress,
   paint, prank, prank up, preen, prettify, pretty up, primp,
   primp up, prink, prink up, rag out, redecorate, redo, refurbish,
   set off, set out, slick, slick up, smarten, smarten up, spiff,
   spruce up, titivate, trick out, trick up, trim

Ball Up >> B Words
Ball Up, definition of term: Ball Up
ball+up_pag1.html

Bang Up >> B Words
Bang Up, definition of term: Bang Up
bang+up_pag1.html

Backed Up >> B Words
Backed Up, definition of term: Backed Up
backed+up_pag1.html

Back Up >> B Words
Back Up, definition of term: Back Up
back+up_pag1.html

Ante Up >> A Words
Ante Up, definition of term: Ante Up
ante+up_pag1.html

Act Up >> A Words
Act Up, definition of term: Act Up
act+up_pag1.html