resilience

Short definition from Wiktionary

Noun

1. 1
   The mental ability to recover quickly from depression, illness or misfortune.
2. 2
   The physical property of material that can resume its shape after being stretched or deformed; elasticity.
3. 3
   The positive capacity of an organizational system or company to adapt and return to equilibrium after a crisis, failure or any kind of disruption, including: an outage, natural disasters, man-made disasters, terrorism, or similar (particularly IT systems, archives).
4. 4
   The capacity to resist destruction or defeat, especially when under extreme pressure.