acknowledged admitted advanced advanced in life advanced in years age-old aged ageless along in years ancient antediluvian antique argent argentine auld canescent chalky conventional cretaceous customary dateless elderly established fixed fleecy-white folk frost-beaded frost-chequered frost-covered frost-fettered frost-rent frostbound frosted frostlike frosty frosty-faced gray gray with age gray-haired gray-headed grizzled grizzly grown old hallowed handed down heroic hoar hoar-frosted hoaryheaded immemorial inveterate lactescent legendary lily-white long-established long-standing marble marmoreal milky mythological niveous of long standing of old of the folk of yore old old as Methuselah old as history old as time old-time olden oral patriarchal platinum prescriptive pure white received recognized rime-frosted rimed rooted senectuous silver silver-bearded silver-headed silvered silvery snow-white snowy swan-white time-honored timeless timeworn traditional tried and true true-blue understood unwritten venerable white white as snow white with age white-bearded white-crowned white-haired worshipful wrinkled wrinkly years old