adj. 1. having intellectual depth; having or showing an exceptional degree of insight{ 2 }; -- of people or their comments. Syn. -- thoughtful. [ WordNet 1.5 ]
2. characterized by sympathetic understanding. Syn. -- discerning, understanding. [ WordNet 1.5 ]
3. having a keen intellect. Syn. -- prehensile. [ WordNet 1.5 ]
n. keen insight{ 2 }. Syn. -- acumen. [ WordNet 1.5 ]