Answer: immunity

AnswerCrossword Clue
IMMUNITYOffer for testimony, perhaps
IMMUNITYResistance to disease
IMMUNITYWitness' assurance
immunityLack of susceptibility, esp. to something unwelcome or harmful
immunityOfficially granted exemption from legal proceedings
immunityThe ability of an organism to resist a particular infection or toxin by the action of specific antibodies or sensitized white blood cells
immunityProtection or exemption from something, esp. an obligation or penalty
immunitythe state of being protected from disease