To establish or create something, such as a business or organization. They decided to set up a new company to market their innovative product.
To arrange or organize something in a particular way. She set up the chairs in a circle for the meeting.
To prepare equipment or a device for use. He set up the projector before the presentation began.
To cause someone to be in a particular situation, often a difficult or unpleasant one. The detective was set up by his partner to take the fall for the crime.
To make plans or arrangements for something to happen. They set up a meeting to discuss the project details.