The term 'line up' can be defined as arranging people or objects in a particular order. The crossword solutions for this term include 'ARRANGE' (7 letters), 'ARRAY' (5 letters), 'sync' (4 letters), 'TRUE' (4 letters), 'AGREE' (5 letters), 'QUEUE' (5 letters), 'SCHEDULE' (8 letters), 'standinarow' (11 letters), and 'ngisruoystahw' (13 letters). These words all describe different ways of organizing people or objects into a line, such as arranging them in a specific order, creating an ARRAY of items, synchronizing their movements, making sure they are all in agreement, forming a QUEUE, scheduling a time for the line up, and standing in a row.