S: (v) discriminate (distinguish) "I could not discriminate the different tastes in this complicated dish"
Adjective
S: (adj) discriminating (showing or indicating careful judgment and discernment especially in matters of taste) "the discriminating eye of the connoisseur"
S: (adj) acute, discriminating, incisive, keen, knifelike, penetrating, penetrative, piercing, sharp (having or demonstrating ability to recognize or draw fine distinctions) "an acute observer of politics and politicians"; "incisive comments"; "icy knifelike reasoning"; "as sharp and incisive as the stroke of a fang"; "penetrating insight"; "frequent penetrative observations"