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