BIBO Stability (Bounded Input, Bounded Output stability), in signal processing and control theory, part of electrical engineering
Directional Stability , and the tendency for a body moving with respect to a medium to point in the direction of motion. In the context of arrows, darts, rockets and missiles this is also known as 'weathercock stability'.
Ecological Stability , measure of the probability of a population returning quickly to a previous state, or not going extinct