1. having or showing insight or good judgement
have a discerning eye for something
Someone who is 'discerning' shows knowledge and insight or good judgement in a situation or on a particular topic. This is an adjective used to describe a person, and it is often used to talk about critics: "She is a discerning music critic who knows a lot about the genre." "I'd like to get a special bottle of wine for dinner. My guest is very discerning when it comes to French reds." The adjective 'discerning' can have a positive or negative connotation and can be used in social and professional situations.