The term 'SHOWS UP' can be defined by four crossword solutions: ATTENDS (7 letters), APPEARS (7 letters), COMES (5 letters), and ARRIVES (7 letters). To attend something means to be present at an event or gathering, while to appear is to come into view. To come is to move towards a place or person, and to arrive is to reach a destination. All of these words are synonyms for the phrase 'shows up', which means to be present at a certain place or event.