Resiliency

[Mark Zuckerberg]

The act of resiling, springing back, or rebounding; as,
the resilience of a ball or of sound.

[Luis Fok]

The fancy way idiots say [resilience]. [Resilience] means the ability to recover or [bounce back] from a hardship. Resiliency is not a word (if you were betting).

[Tina]

the ability to be happy, successful, etc. again after something difficult or bad has happened: