adj. 25B6; adjective
the correct answer : RIGHT, accurate, true, exact, precise, unerring, faithful, strict, faultless, flawless, error-free, perfect, word-perfect; informal on the mark, on the beam, on the nail; Brit. informal spot on, bang on; N. Amer. informal on the money, on the button.
correct behaviour : PROPER, seemly, decorous, decent, respectable, right, suitable, fit, fitting, befitting, appropriate, apt; approved, accepted, conventional, customary, traditional, orthodox, comme il faut.
wrong, improper.
25B6; verb
proof-read your work and correct any mistakes : RECTIFY, put right, set right, right, amend, emend, remedy, repair.
an attempt to correct the trade imbalance : COUNTERACT, offset, counterbalance, compensate for, make up for, neutralize.
the brakes need correcting : ADJUST, regulate, fix, set, standardize, normalize, calibrate, fine-tune.