sta·bil·i·ty 
(stə-bĭlĭ-tē)
(stə-bĭlĭ-tē)n. pl. sta·bil·i·ties
1. The state or quality of being stable, especially:
a. Resistance to change, deterioration, or displacement.
b. Constancy of character or purpose; steadfastness.
c. Reliability; dependability.
2. The ability of an object, such as a ship or aircraft, to maintain equilibrium or resume its original, upright position after displacement, as by the sea or strong winds.
3. Roman Catholic Church A vow committing a Benedictine monk to one monastery for life.