What is 'smart' in Italian?

Elegante is an Italian equivalent of 'smart' in the sense of the way in which one dresses. It's an adjective that's pronounced 'eh-leh-GAHN-tay'. But intelligente is the equivalent in terms of the way in which one thinks. It's also an adjective, and is pronounced 'een-tehl-lee-JEHN-tay'. And mordace is the equivalent in terms of the way in which one uses language to biting, caustic, sarcastic ends. It too is an adjective, and is pronounced 'mohr-DAH-chay'.