ascertained, attested, authenticated, borne out, certified, circumstantiated, confirmed, corroborated, demonstrated, dependable, determined, established, faithworthy, fixed, incorruptible, inviolable, proved, reliable, responsible, settled, shown, straight, substantiated, sure, tested, to be trusted, tried, tried and true, TRUE, trustable, trustworthy, trusty, unfalse, unperfidious, untreacherous, validated, verified