adjective Etymology: Latin perspicac-, perspicax, from perspicere Date: 1640 of acute mental vision or discernment ; keen , see: shrewd ~ly adverb ~ness noun perspicacity noun
PERSPICACIOUS
Meaning of PERSPICACIOUS in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012