— perspicaciously , adv. — perspicaciousness , n.
/perr'spi kay"sheuhs/ , adj.
1. having keen mental perception and understanding; discerning: to exhibit perspicacious judgment.
2. Archaic. having keen vision.
[ 1610-20; PERSPICACI(TY) + -OUS ]
Syn. 1. perceptive, acute, shrewd, penetrating.
Ant. 1. dull, stupid.