Noun

(wikipedia validity)

The state of being valid, authentic or genuine.

Having legal force.

A quality of a measurement indicating the degree to which the measure reflects the underlying construct, that is, whether it measures what it purports to measure (see reliability).

Noun

(en-noun)

The state of being free from physical or psychological disease, illness, or malfunction; wellness.

:

*, chapter=4

, title= Mr. Pratt's Patients , passage=Then he commenced to talk, really talk. and inside of two flaps of a herring's fin he had me mesmerized, like Eben Holt's boy at the town hall show. He talked about the ills of humanity, and the glories of health and Nature and service and land knows what all.}}

A state of well-being or balance, often physical but sometimes also mental and social; the overall level of function of an organism from the cellular (micro) level to the social (macro) level.

Physical condition.

(obsolete) Cure, remedy.

*, Bk.XVII, Ch.XI:

*:And she myght have a dysshfulle of bloode of a maydyn and a clene virgyne in wylle and in worke, and a kynges doughter, that bloode sholde be her helth , for to anoynte her withall.

(countable) A toast to prosperity.

*