The term 'GET DRESSED (UP)' can be broken down into two crossword solutions, TOG and GUSSY. TOG is an abbreviation of the word 'TOGETHER' and is used to describe clothing that is worn TOGETHER as a set, such as a suit or dress. GUSSY is an informal verb meaning to dress up in fancy or showy clothes. Therefore, the phrase 'GET DRESSED (UP)' can be interpreted as putting on a nice outfit, either as a set or with individual pieces.