Explanation

“Perspicacity” means keenness of mental perception, opposite to “naivety.” Perspicacity means the ability to notice and understand things that are not obvious. It involves having a keen mental perception and discernment, allowing one to grasp complex ideas or situations quickly and accurately. While, “Naivety” means a lack of experience, wisdom, or judgment; this contrasts with “Perspicacity”, which implies a sharp understanding and insight.