That have been selected or chosen.

simple past tense and past participle of select

plural of selectability

Of or pertaining to selection.

A button (of a joystick, joypad or similar device) that, when pressed, activates any of certain predefined functions that usually, but not always, involve selecting something out of a list of items.

plural of Select

plural of selectant

The result of a selection process

plural of selectiveness

plural of selectness