discernment

noun

1.
the cognitive condition of someone who understands
apprehension savvy understanding
2.
delicate discrimination (especially of esthetic values)
appreciation perceptiveness taste
3.
perception of that which is obscure
perceptiveness
Derived from:
discern
4.
the mental ability to understand and discriminate between relations
kind wit judgement judgment sagaciousness sagacity
5.
the trait of judging wisely and objectively
discretion