Expert

Webster's Dictionary

(1): ( n.) A sworn appraiser.

(2): ( n.) A specialist in a particular profession or department of science requiring for its mastery peculiar culture and erudition.

(3): ( n.) An expert or experienced person; one instructed by experience; one who has skill, experience, or extensive knowledge in his calling or in any special branch of learning.

(4): ( a.) Taught by use, practice, or experience, experienced; having facility of operation or performance from practice; knowing and ready from much practice; clever; skillful; as, an expert surgeon; expert in chess or archery.

(5): ( v. t.) To experience.

Vine's Expository Dictionary of NT Words

1: Γνώστης (Strong'S #1109 — Noun Masculine — gnostes — gnoce'-tace )

"one who knows" (akin to ginosko, "to know"), denotes "an expert, a connoisseur,"  Acts 26:3 . Cp. gnostos, "known."

King James Dictionary

EXPERT', a. L. expertus, from experior, to try. See Experience.

1. Properly, experienced taught by use, practice or experience hence, skillful well instructed having familiar knowledge of as an expert philosopher. 2. Dextrous adroit ready prompt having a facility of operation or performance from practice as an expert operator in surgery. It is usually followed by in as expert in surgery expert in performance on a musical instrument. Pope uses expert of arms, but improperly.