Webster's Revised Unabridged Dictionary · 1913

Discriminating

Discriminating , adjective

1.
Marking a difference; distinguishing.
And finds with keen discriminating sight, Black's not so black; -- nor white so very white. — Canning
2.
making careful or fine distinctions, especially as to quality or accuracy; as, a discriminating observer.
3.
having a refined taste or excellent judgment; as, a discriminating taste.