'Wholesomeness' definitions:

Definition of 'wholesomeness'

noun

The quality of being beneficial and generally good for you [ant: morbidity, morbidness, unwholesomeness]

From: GCIDE

Wholesome \Whole"some\, a. [Compar. Wholesomer; superl. Wholesomest.] [Whole + some; cf. Icel. heilsamr, G. heilsam, D. heilzaam.] [1913 Webster]
1. Tending to promote health; favoring health; salubrious; salutary. [1913 Webster]
Wholesome thirst and appetite. --Milton. [1913 Webster]
From which the industrious poor derive an agreeable and wholesome variety of food. --A Smith. [1913 Webster]
2. Contributing to the health of the mind; favorable to morals, religion, or prosperity; conducive to good; salutary; sound; as, wholesome advice; wholesome doctrines; wholesome truths; wholesome laws. [1913 Webster]
A wholesome tongue is a tree of life. --Prov. xv. 4. [1913 Webster]
I can not . . . make you a wholesome answer; my wit's diseased. --Shak. [1913 Webster]
A wholesome suspicion began to be entertained. --Sir W. Scott. [1913 Webster]
3. Sound; healthy. [Obs.] --Shak. [1913 Webster] -- {Whole"some*ly}, adv. -- {Whole"some*ness}, n. [1913 Webster]