acumen (n.)
- acuity
- acuteness
- apperception
- astuteness
- cogency
- discernment
- discrimination
- farsightedness
- flair
- foresight
- foresightedness
- incisiveness
- insight
- judgment
- keenness
- longsightedness
- penetration
- perception
- perceptiveness
- perspicaciousness
- perspicacity
- perspicuity
- perspicuousness
- providence
- sagaciousness
- sagacity
- sensibility
- sharpness
- shrewdness
- trenchancy