discerning vs perspicacious

discerning and perspicacious both are adjectives.

Word	Noun	Adjective	Verb	Adverb
discerning	No	Yes	No	No
perspicacious	No	Yes	No	No

discerning (adjective)	perspicacious (adjective)
having or revealing keen insight and good judgment	mentally acute or penetratingly discerning
able to make or detect effects of great subtlety; sensitive	acutely insightful and wise
quick to understand
unobtrusively perceptive and sympathetic