An inchoative construction.
At the beginning, still in an unformed state.
Aspectually indicating that a state is about to be entered or is in the process of being entered.
Inflected in or relating to the inchoative aspect.
An act or instance of making or becoming open.
The first few measures of a musical composition.
The first performance of a show or play by a particular troupe.
A gap permitting passage through.
The initial period when a show at an art gallery or museum is first opened, especially the first evening.
A vacant position, especially in an array.
An unoccupied employment position.
In mathematical morphology, the dilation of the erosion of a set.
A time available in a schedule.
An opportunity, as in a competitive activity.
An act or instance of beginning.
The first few moves in a game.
Pertaining to the start or beginning of a series of events.
describing the first period of play, usually up to the fall of the first wicket; describing a batsman who opens the innings or a bowler who opens the attack