The term 'IMPRESSIVE LINEUP' can be solved by the crossword solution 'ARRAY'. An ARRAY is a collection of items arranged in rows and columns. It is commonly used in computer programming to store and organize data. In other contexts, an ARRAY can refer to a group of people or objects that are arranged in a particular order or formation. In this case, the term 'IMPRESSIVE LINEUP' could refer to an impressive group of people or objects that have been arranged in an orderly fashion.