Sharp-witted is a related term of discriminating.
As adjectives the difference between sharp-witted and discriminating
is that sharp-witted is clever, keen of intellect, swift of thought while discriminating is able to perceive fine distinctions between similar things; perceptive.
As a verb discriminating is
.
sharp-witted
English
Adjective
clever, keen of intellect, swift of thought.
discriminating
English
Adjective
(
en adjective)
Able to perceive fine distinctions between similar things; perceptive
Having a discerning judgment or taste
Verb
(head)