Noun
1. the cognitive condition of someone who understands;
"he has virtually no understanding of social cause and effect"2. delicate discrimination (especially of aesthetic values);
"arrogance and lack of taste contributed to his rapid success""to ask at that particular time was the ultimate in bad taste"3. perception of that which is obscure
4. ability to make good judgments
5. the trait of judging wisely and objectively;
"a man of discernment"