resiliency

• HYPHEN: re=sil=ien=cy

CIDE DICTIONARY

resiliency, n. 

•  The act of springing back, rebounding, or resiling; as, the resilience of a ball or of sound.  [1913 Webster]
•  The power or inherent property of returning to the form from which a substance is bent, stretched, compressed, or twisted; elasticity[1]; springiness; -- of objects and substances.  [PJC]
•  The power or ability to recover quickly from a setback, depression, illness, overwork or other adversity; buoyancy; elasticity[2]; -- of people.  [PJC]
•  The mechanical work required to strain an elastic body, as a deflected beam, stretched spring, etc., to the elastic limit; also, the work performed by the body in recovering from such strain.  [1913 Webster]