dress up
verb
Definitions
To put on special or fancy clothes.
Example: Everyone dressed up for the graduation ball.
Antonyms:dress down(often with 'as') To put on a costume portraying oneself as a particular type of character or well-known person.
Example: We're having a party on Saturday, but you must dress up as a famous historical figure.
To decorate; to prettify.
To present in a favorable light.
Example: You can dress up that proposal however you want, it's still going to go over like a lead balloon.
Synonyms:spin