suitable

accomplished, ace, adept, experienced, expert, master, masterful, masterly, practiced (also practised), proficient, seasoned, skilled, skillful, veteran

overqualified

prepared, schooled, trained

apt, ready, willing

all-around (also all-round), protean, versatile

condign, deserved, just, justified

needed, required, requisite

able, capable, competent, cut out, qualified, trained

pitch-perfect

acceptable, adequate, decent, kosher, satisfactory, serviceable, tolerable

correct, decorous, respectable, seemly

balanced, companionate, congruous, consonant, harmonious

rightful