A tapering point.

Roget 498: intelligence, capacity, comprehension, understanding; cuteness, sabe [U.S.], savvy [U.S.]; intellect etc. 450; nous [Fr.], parts, sagacity, mother wit, wit, esprit, gumption, quick parts, grasp of intellect; acuteness etc. adj.; acumen, subtlety, penetration, perspicacy^†, perspicacity; discernment, due sense of, good judgment; discrimination etc. 465; cunning etc. 702; refinement etc. (taste) 850.    head, brains, headpiece, upper story, long head; eagle eye, eagle-glance; eye of a lynx, eye of a hawk.    wisdom, sapience, sense; good sense, common sense, horse sense [U.S.], plain sense; rationality, reason; reasonableness etc. adj.; judgment; solidity, depth, profundity, caliber; enlarged views; reach of thought, compass of thought; enlargement of mind.    genius, inspiration, geist [G.], fire of genius, heaven-born genius, soul; talent etc. (aptitude) 698.    [Wisdom in action] prudence etc. 864; vigilance etc. 459; tact etc. 698; foresight etc. 510; sobriety, self-possession, aplomb, ballast.    a bright thought, not a bad idea.    Solomon-like wisdom.    ... show more

Polish: nerw, żyłka

Shrewdness shown by keen insight.

synonym: insightfulness.

Dutch: inzicht, scherpzinnigheid