Synonyms and related words :
acknowledged, admitted, blase, committed, confirmed, constant, conventional, cosmopolitan, cosmopolite, customary, dedicated, dependable, devoted, established, experienced, faithful, faithworthy, fast, fixed, folk, hallowed, handed down, heroic, hoary, immemorial, incorruptible, inveterate, inviolable, knowing, legendary, long-established, long-standing, mature, matured, mythological, not born yesterday, of long standing, of the folk, old, oral, practiced, prescriptive, proved, proven, received, recognized, reliable, responsible, ripe, ripened, rooted, sagacious, seasoned, secure, sophisticated, staunch, steadfast, straight, sure, tested, time-honored, to be trusted, traditional, tried, TRUE, true-blue, trustable, trustworthy, trusty, understood, unfalse, unperfidious, untreacherous, unwritten, venerable, verified, veteran, world-wise, worldly, worldly-wise, worshipful