com·pe·ten·cy /'käm-pə-tən-sē/ n2: the quality or state of being legally qualified or adequatethe competency, quantum and legal effect of evidence — State v. Scoggin, 72 S.E.2d 54 (1952)
Merriam-Webster’s Dictionary of Law. Merriam-Webster. 1996.
ability, clear-mindedness, coherence, efficiency, faculty, fitness, lucidity, mental capacity, mental equilibrium, qualification, reasonableness
associated concepts: competency of a guarantor, competency of a guardian, competency of an executive, competency of counsel, competency of jurors to serve on a panel, competency of parties to testify, competency of trustees, competency of witnesses, competency to stand trial, competency to testify, incompetence, objections raised over the competency of a witness, withdrawal from serving in designated capacity due to a lack of competency
abundance, adequacy, applicability, capability, craft, dexterity, efficacy, effectiveness, mastery, proficiency, prowess, satisfactoriness, skill
associated concepts: competency to stand trial, competency to testify, competency of witnesses
ability, capacity (aptitude), efficiency, experience (background), faculty (ability), performance (workmanship), prowess (ability), qualification (fitness), quality (excellence), science (technique), sufficiency
Burton's Legal Thesaurus. William C. Burton. 2006
n.Ability to stand trial or serve as a witness.
The Essential Law Dictionary. — Sphinx Publishing, An imprint of Sourcebooks, Inc. Amy Hackney Blackwell. 2008.
1. with respect to evidence, competency is equivalent to admissibility.2. in relation to a witness, competency refers to his legal capacity to be a witness.3. in relation to proceedings that have no legal foundation, these are said to be incompetent.
Collins dictionary of law. W. J. Stewart. 2001.