adjective
reliable, believable
Synonyms: accurate, always there, authentic, authoritative, convincing, credible, dependable, ethical, exact, honest, honorable, kosher, levelheaded, mature, on the level, on up and up, open, plausible, principled, realistic, responsible, righteous, rock solid, saintly, secure, sensible, solid, square, steadfast, straight, there, to be trusted, tried, tried-and-true, true, true-blue, trustable, truthful, unfailing, up-front, upright, valid, veracious
Antonyms: corrupt, unbelievable, undependable, unreliable, untrustworthy