To connect, set up or prepare something for use, often specifically (in Computing) to transfer software onto a device's permanent storage and put it in a state where it is ready to be run when needed, usually decompressing it if necessary and performing any necessary pre-first-run configuration.
To admit formally into an office, rank or position.
To establish or settle in.
An installation. (Usage originated as a truncated form of the word installation.)
Installer. A software utility that installs an application.
A rejected takeoff.
A rejected defective product in a production line.
Something that is rejected.
An unpopular person.
To refuse a romantic advance.
To refuse to accept.
To block a shot, especially if it sends the ball off the court.