This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. The quality of being pretty.

n. The quality or state of being pretty; -- used sometimes in a disparaging sense.

n. Pleasantness; agreeableness.

n. The state or quality of being pretty, or pleasing to the esthetic sense; especially, the effect of beauty in its slighter, more delicate, and more evanescent forms; the charm of grace, harmony, delicacy, or neatness, as presented to the sight or the hearing; diminutive or dainty beauty: as, the prettiness of a picture or a tune; the prettiness of a gesture, a dimple, or a lisp.

n. Neatness and taste bestowed on small objects; hence, often, petty elegance; affected niceness; finicalness; foppishness.

n. That which is pretty; a pretty thing or person: generally in a depreciative sense, as suggesting pettiness.

n. the quality of being appealing in a delicate or graceful way (of a girl or young woman)

"And when desirability as a friend or wife is also bound up in prettiness, it reinforces that message."

beauty   

prettily    pretty   

good-lookingness   

gayety    vivacity    roundness    lightness    freshness    femininity    sprightliness    suppleness    coquetry    elegance