acuity, acuteness, apperception, astuteness, cogency, critical discernment, discernment, discrimination, farseeingness, farsightedness, flair, foresight, foresightedness, incisiveness, insight, judgment, keenness, longheadedness, longsightedness, penetration, perception, perceptiveness, percipience, perspicaciousness, perspicacity, perspicuity, perspicuousness, providence, sagaciousness, sagacity, sensibility, sharpness, shrewdness, trenchancy