Words: perspicacity [MW]

Function: adjective
Etymology: Latin perspicac-, perspicax, from perspicere
: of acute mental vision or discernment : KEEN
synonym see SHREWD
- per·spi·ca·cious·ly adverb
- per·spi·ca·cious·ness noun
- per·spi·cac·i·ty /-'ka-s&-tE/ noun

(Just saying this word both implies one's own and celebrates others' perspicacity. Go ahead and try it! Perspicacity!)