THESAURUS
tested
ascertained, assured, attested, certified, committed, confirmed, constant, decided, dedicated, dependable, determinate, determined, devoted, established, faithful, faithworthy, fast, fixed, guaranteed, in the bag, incorruptible, inviolable, made sure, nailed down, on ice, open-and-shut, proved, proven, reliable, responsible, secure, set, settled, stated, staunch, steadfast, straight, sure, to be trusted, tried, tried and true, true, trustable, trustworthy, trusty, unfalse, unperfidious, untreacherous, verified, warranted