glad rags
dressed up
full dress
dressed
dolled up
dressed to kill
spiffed up
spruced up
togged up
dressed to the nines
dressed-up
dress whites
dress blues
eveningwear
evening clothes
evening dress
formalwear
raimented
morning dress
done up like a dog's dinner
fancy dress
togged
full-dress
dress
sheath
cocktail dress
all dogged up
dudded up
slickered
spongebags
well-dressed
weddingwear
dress suit
balldress
cummerbund
gala dress
velure
dinnerwear
dressing-gowned
groomswear
formal
bundled-up
white tie
dressy
tail coat
tailcoat
garmented
tails
caparisoned
white tie and tails