Perspicacious (Adjective)

Definition 1: Displaying insightful mental capacities and/or shrewd discernment.

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Usage 1: The noun is "perspicacity" [pêr-spi-'kæ-si-ti]. A shrewd person has a practical kind of intelligence and a sagacious one has knowledge usually accumulated over time. "Perspicacious" implies an ability to perceive hidden truths and to understand what puzzles others.

Suggested usage: As you can see, this is a word that should be part of a lexical arsenal for distinguishing different kinds of intelligence. "She was very perspicacious to remain aloof from him when he started asking her to trust him." "He is so perspicacious he can predict market trends from the thickness of Alan Greenspan's briefcase." (yourDictionary thanks and congratulates Jacqueline Williams for suggesting today's lovely word, with which she recently flabbergasted her doctor and herself simultaneously.)

Etymology: From Latin perspicere "to look through" from per "through" + spicere "see, look." Akin to perspective. The PIE root underlying "spicere," *spek-, also gave us "spy." It metathesized (the consonants switched places) to skop- in Greek, whence all the Greek words on -scope borrowed by English: "telescope," "microscope," "periscope." (For more on PIE, read "Words: Where do they Come from" in the yourDictionary library.)

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