discerning

So far, the ordinary observer; an extraordinary observer might have seen that the chin was very pointed and pronounced; that the big eyes were full of spirit and vivacity; that the mouth was sweet-lipped and expressive; that the forehead was broad and full; in short, our discerning extraordinary observer might have concluded that no commonplace soul inhabited the body of this stray woman-child of whom shy Matthew Cuthbert was so ludicrously afraid.

Darcy had been, was much relieved by discerning such different feelings.