able, accomplished, acquainted, adept, adroit, all-knowing, apt, artful, caliidus, capable, clever, cognizant, competent, conversant, deft, dexterous, effective, efficient, encyclopedic, experienced, facile, finished, handy, ingenious, knowing, knowledgeable, learned, masterful, masterly, omniscient, practiced, prepared, professional, proficient, qualified, sciens, seasoned, skilled, skillful, trained, tried, versed, veteran, well-qualified, wise
associated concepts: expert evidence, expert opinion, expert witness, handwriting expert
authority, connoisseur, experienced hand, experienced person, experienced personnel, genius, knowing person, man of erudition, man of learning, master, master hand, mastermind, paragon, practiced hand, practitioner, professional, proficient person, qualified person, sage, savant, scholar, skilled hand, skilled practitioner, sophisticate, specialist, specializer, specially trained person, strategist, technician, trained person, trained personnel, veteran, virtuoso
associated concepts: expert testimony, expert witness
capable, cognizant, competent, deft, efficient, familiar (informed), informed (educated), learned, mastermind, practiced, professional (trained), professional, proficient, qualified (competent), specialist, subtle (refined), veteran (adjective), veteran (noun)
Burton's Legal Thesaurus. William C. Burton. 2006
n.Someone with great knowledge about a particular topic, such as science, medicine, art, or business. See also lay witness
The Essential Law Dictionary. — Sphinx Publishing, An imprint of Sourcebooks, Inc. Amy Hackney Blackwell. 2008.
n. An individual of recognized knowledge in a particular topic, typically confirmed by academic standing and publications, who is called upon by one of the parties to testify in court as to his or her opinion of the underlying facts. Also referred to as expert witness.
Webster's New World Law Dictionary. Susan Ellis Wild. 2000.