inactivity
opposite to activity
levitation
physical process by which an object is held aloft, without mechanical support, in a stable position
passing
game turn in which a player opts not to make a move, either because no move is possible or because any move would be detrimental
passivity
being subjected to an action without producing a reaction
idling
state where a technical device or resource is inactive but ready for operation
waiting
delaying action until an expected event