1the way in which something, especially an organization or equipment, is organized, planned, or arranged:would you feel comfortable in a team-teaching set-up?
an organization or arrangement:a set-up called Film Education
a set of equipment needed for a particular activity or purpose:I have a recording set-up in my house
2a scheme or trick intended to incriminate or deceive someone:Listen. He didn’t die. It was a set-up
chiefly North American a contest with a prearranged outcome.
3(in a ball game) a pass or play intended to provide an opportunity for another player to score.