decisive

adjective

1 Crane was a very decisive man:

resolute, firm, strong-minded, strong-willed, determined;

dogged, purposeful, forceful, emphatic, dead set, unhesitating, unwavering, unswerving, unfaltering, unyielding, unbending, inflexible, unmalleable, unshakeable, unrelenting, obdurate, obstinate, stubborn, intransigent;

North American rock-ribbed;

rare indurate.

▷antonyms indecisive.

2 your qualifications are unlikely to be the decisive factor:

deciding, conclusive, determining, final, settling, key;

pivotal, critical, crucial, momentous, significant, influential, important, major, chief, principal, prime, paramount.

▷antonyms insignificant.