A dynamic process encompassing positive adaptation within the context of significant adversity. Implicit within this notion are two critical condition: (1) exposure to significant threat or adversity; and (2) the achievement of positive adaptation despite major assaults on the developmental process.
Luthar, S. S., Cicchetti, D., & Becker, B. (2000). The construct of resilience: A critical evaluation and guidelines for future work. Child Development, 71(3), 543-562. doi: 10.1111/1467-8624.00164.