The act by which something is launched; a launch.
The first showing of a film, play or other form of entertainment, often held as a special event with celebrity guests.
In a series of narrative works, the installment that is chronologically set first.
The first episode of a television show or a particular season of that show.
The leading woman of a group, especially in a theatrical cast.
Of a film or play, to play for the first time.
To present a film or play for the first time.