1. first
2. old
3. aged, elderly, older, senior, aged, of age, aging, ageing, senescent, ancient, anile, centenarian, doddering, doddery, gaga, senile, emeritus, retired, gray, grey, gray-haired, grey-haired, gray-headed, grey-headed, grizzly, hoar, hoary, white-haired, middle-aged, nonagenarian, octogenarian, oldish, overage, overaged, superannuated, over-the-hill, venerable, darkened, retired, superannuated, sexagenarian, experienced, mature, senior, old
4. age-old, antique, antediluvian, antiquated, archaic, antique, auld, cold, stale, hand-me-down, hand-down, hoary, rusty, immemorial, long-ago, longtime, patched, secondhand, used, sunset, yellow, yellowed, noncurrent, nonmodern, past, stale, worn, old
5. past, old
6. familiar, old
7. stale, moth-eaten, unoriginal, previous
8. old, preceding, Old
9. early, old
10. older, experienced, honest-to-god
10. honest-to-goodness, old, sure-enough, genuine, echt