principled

1 following the accepted rules of moral conduct a high-principled art expert who always told clients what he honestly thought their items were worth Synonyms decent, ethical, honest, just, noble, honorable, respectable, righteous, stand-up, upright, upstandingRelated Words blameless, guiltless, irreproachable, unassailable, unimpeachable; chivalrous, classy, high-minded, menschy, right-minded; conscientious, fair, good, incorruptible, moral, reputable, respected, scrupulous, uncorrupted, virtuous; decorous, nice, polite, proper, seemlyNear Antonyms bad, blackguardly, corrupt, criminal, crooked, evil, immoral, iniquitous, knavish, mean, nefarious, rascally, reprehensible, roguish, rotten, scoundrelly, sinful; unfair, unscrupulous, vile, villainous, wicked, wretched; blamable, blameworthy, censurable, culpable; debased, debauched, decadent, degenerate, degraded, demoralized, depraved, disgraceful, disreputable, dissipated, dissolute, libertine, loose, perverse, perverted, profligate, reprobate, shameful, venalAntonyms base, dishonest, dishonorable, ignoble, low, unethical, unjust, unprincipled, unrighteous, unworthy

2 guided by or in accordance with one's sense of right and wrong a politician widely respected for her principled behavior in every office she ever held Synonyms conscionable, ethical, honest, honorable, just, moral, conscientious, scrupulousRelated Words decent, good, righteous, right-minded, straight, upright, virtuous; dutiful, observant, respectful; overconscientious; reliable, responsible, solid, tried-and-true, true, trustworthy, trusty; esteemed, law-abiding, reputable, respected, upstanding, worthyNear Antonyms bad, black, evil, evil-minded, immoral, indecent, sinful, unrighteous, wicked; unreliable, untrustworthy; corrupt, debased, debauched, degenerate, depraved, dissolute, perverted, reprobate; atrocious, infamous, villainous; base, low, mean, vicious, vile; iniquitous, nefariousAntonyms cutthroat, dishonest, dishonorable, immoral, unconscionable, unethical, unjust, unprincipled, unscrupulous