What is the meaning of discernment?

noun

• The cognitive condition of someone who understands.
  • usage: "he has virtually no understanding of social cause and effect"
  • synonyms: understanding, apprehension, savvy
• Delicate discrimination (especially of aesthetic values. )
  • usage: "arrogance and lack of taste contributed to his rapid success"; "to ask at that particular time was the ultimate in bad taste"
  • synonyms: taste, appreciation, perceptiveness
• Perception of that which is obscure.
  • synonyms: perceptiveness
• The mental ability to understand and discriminate between relations.
  • synonyms: sagacity, sagaciousness, judgment, judgement
• The trait of judging wisely and objectively.
  • usage: "a man of discernment"
  • synonyms: discretion