1. dress up - Noun
2. dress up - Verb
put on special clothes to appear particularly appealing and attractive
put a caparison on
dress in a costume
dress in a certain manner
make something appear superficially attractive
Source: WordNetdress-up
She never dresses up, even when she goes to the opera Source: Internet
The young girls were all fancied up for the party Source: Internet
caparison the horses for the festive occasion Source: Internet
We dressed up for Halloween as pumpkins Source: Internet
She dresses in the latest Paris fashion Source: Internet
he dressed up in a suit and tie Source: Internet