Syn. -- Judgment; acuteness; discrimination; penetration; sagacity; insight. -- Discernment, Penetration, Discrimination. Discernment is keenness and accuracy of mental vision; penetration is the power of seeing deeply into a subject in spite of everything that intercepts the view; discrimination is a capacity of tracing out minute distinctions and the nicest shades of thought. A discerning man is not easily misled; one of a penetrating mind sees a multitude of things which escape others; a discriminating judgment detects the slightest differences.