Tenacity
Part of speech: noun
Definition: The quality or state of being tenacious; as, tenacity, or retentiveness, of memory; tenacity, or persistency, of purpose. The quality of bodies which keeps them from parting without considerable force; cohesiveness; the effect of attraction; – as distinguished from brittleness, fragility, mobility, etc. The quality of bodies which makes them adhere to other bodies; adhesiveness; viscosity. The greatest longitudinal stress a substance can bear without tearing asunder, – usually expressed with reference to a unit area of the cross section of the substance, as the number of pounds per square inch, or kilograms per square centimeter, necessary to produce rupture.
Resilience
Part of speech: noun
Definition: The mental ability to recover quickly from depression, illness or misfortune.The physical property of material that can resume its shape after being stretched or deformed; elasticity.The positive ability of a system or company to adapt itself to the consequences of a catastrophic failure caused by power outage, a fire, a bomb or similar (particularly IT systems, archives).