Competent

1. Of sound mind, for the purpose
of entering a contract or executing a will; not
suffering from mental illness, retardation, or
senility. 2. Of sound mind and having reached
the age of majority.

Merriam-Webster Online Dictionary

competent (adjective)

proper or rightly - pertinent

having requisite or adequate ability or qualities - fit a competent teacher a competent piece of work

legally qualified or adequate - a competent witness

having the capacity to function or develop in a particular way , specifically having the capacity to respond (as by producing an antibody) to an - antigenic determinant immunologically competent cells sufficient

Merriam-Webster Online Thesaurus

competent (adjective)

having the required skills for an acceptable level of performance

SYNONYMS:

able, capable, equal, fit, good, qualified, suitable

RELATED WORDS:

accomplished, ace, adept, experienced, expert, master, masterful, masterly, practiced ( practised), proficient, seasoned, skilled, skillful, veteran; overqualified; prepared, schooled, trained; apt, ready, willing; all-around ( all-round), protean, versatile

on the ball

NEAR ANTONYMS:

inexperienced, inexpert, unseasoned, unskilled, unskillful; unprepared, unschooled, untrained; beginning, green, new, raw, untested, untried

incompetent, inept, poor, unfit, unfitted, unqualified

competent (adjective)

being what is called for by accepted standards of right and wrong

SYNONYMS:

competent, condign, deserved, due, fair, justified, merited, right, rightful, warranted

RELATED WORDS:

applicable, appropriate, apt, fit, fitting, meet, proper, requisite, suitable; lawful, legal, legitimate; accurate, correct, true; rhadamanthine, strict, stringent, uncompromising; equitable, impartial, square

NEAR ANTONYMS:

incoherent, incorrect, irrelative, irrelevant; improper, inapplicable, inapposite, inappropriate, inapt, indefensible, unjustifiable, unreasonable, unsuitable; biased, inequitable, partial, unequal; arbitrary, despotic; illegitimate, unlawful

undeserved, undue, unfair, unjust, unjustified, unmerited, unwarranted