Resilience is a disposition of a system that represents the capacity of a system to absorb disturbance and reorganize so as to retain essentially the same function, structure, and feedbacks.
Power system resilience is the resilience of a power system that represents the ability to limit the extent, system impact, and duration of degradation in order to sustain critical services following an extraordinary event.
BFO 2 Reference: Dispositions exist along a strength continuum. Weaker forms of disposition are realized in only a fraction of triggering cases. These forms occur in a significant number of cases of a similar type.