present participle of discriminate
"The chef was praised for his discriminating palate, which could tell the difference between high-quality olive oils at a glance."
showing or indicating careful judgment and discernment especially in matters of taste
"the discriminating eye of the connoisseur"
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"
Able to perceive fine distinctions between similar things; perceptive
"The sommelier is a discriminating judge who can tell the difference between two nearly identical vintages just by their aroma."