lineup

Etymology

From the verb phrase line up.

noun

1. (US, law and law enforcement) a physical or photographic queue of people allegedly involved in a crime, allowing a witness to identify them
   This innocent suspect is placed in a lineup with five fillers who look similar to that innocent suspect. Given this scenario, one may ask How many people are in the lineup because they fit the description of the perpetrator? 2007, Jack R. Greene, The Encyclopedia of Police Science, Taylor & Francis, page 493
2. (Canada) A line of people or vehicles, in which the individual at the front end is dealt with first, the one behind is dealt with next, and so on, and in which newcomers join at the end; a queue.
3. (sports) Collectively, the members of a team.
   The manager fielded his strongest lineup for the game against United.
   Elton Brand in 1998 missed 15 games because of an injury in the middle of the year but returned to the lineup late in the season, so he is listed as a starter here. The aim here is to list the lineup that was in use near the end of each season […] 2006, John Roth, Ned Hinshaw, The Encyclopedia of Duke Basketball, Duke University Press, page 369
4. (baseball) The batting order.
5. (music) The members of a music group at any one time.
6. (music) The acts performing at a concert or music festival.
   Festival talent buyers can take one of several approaches in putting together their lineup. […] [H]e was very concerned about putting together a talent lineup that resonates with music lovers. 2010, Ray D. Waddell, Rich Barnet, Jake Berry, This Business of Concert Promotion and Touring: A Practical Guide to Creating, Selling, Organizing, and Staging Concerts, Billboard Books, page 121