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 state of being perceptive; acumen, discernment, insight

n. The faculty of perception.

n. Readiness to acquire knowledge from sensations.

n. delicate discrimination (especially of aesthetic values)

n. perception of that which is obscure

n. the quality of insight and sympathetic understanding

n. a feeling of understanding

"[T] he film's perceptiveness is frequently bracing, capturing the way starry-eyed proclamations and promises can foreshadow uglier truths, and - as in a sterling underplayed scene - the means by which simple gestures such as asking a girlfriend to call your relatives on your behalf can signal a momentous shift in trust and togetherness."

perception    sensitivity    sensitiveness    sensibility   

staunchness    cumulation    backsight    side-pee    copperplate