Similar word to seton:

adamant, arbitrary, assertive, biased, bigoted, bossy, bullheaded, cocksure, cocky, conceited, dictatorial, doctrinaire, dogmatic, hard-line, high-handed, inflexible, intransigent, locked in, obdurate, obstinate, one-sided, oracular, overbearing, pigheaded, positive, pragmatic, pragmatical, prejudiced, self-assertive, set in stone, set-on, single-minded, stubborn, tilted, uncompromising, unyielding, weighted