resilient

adjective4

1. •
   Returning quickly to original shape after force is applied; elastic. (of objects or substances)
2. •
   Having the ability to absorb energy when deformed.
3. •
   Returning quickly to normal after damaging events or conditions. (of systems, organisms or people)

   • He’s resilient, and strong, but sometimes tonight, here, the weight of what he’s saying makes him stop, pause as if lost. — 1994
4. •
   Having the ability to recover from mental illness, trauma, etc.; having resilience.