Answer:

ancient

Answer	Crossword Clue
ANCIENT	Like fifteen-year-old computers
ANCIENT	Very old
ANCIENT	From way back

ANCIENT	Elder
ANCIENT	Venerable one
ANCIENT	Long-ago
ANCIENT	Old as the hills
ANCIENT	Like the Parthenon
ANCIENT	Age-old
ANCIENT	Antique
ANCIENT	Very, very old

ANCIENT	Antiquated
ANCIENT	Like Coleridge's mariner
ANCIENT	Like Stonehenge
ANCIENT	Prehistoric
ANCIENT	Antediluvian
ANCIENT	Like the Sphinx
ANCIENT	Really old
ANCIENT	"The Rime of the ... Mariner"

ANCIENT	Time-honored, as Chinese lore.
ANCIENT	"... of days."
ANCIENT	Word for the pyramids.
ANCIENT	The A in A. O. H.
ANCIENT	Of an older world.
ANCIENT	Of times long past.
ANCIENT	Old as the hills.
ANCIENT	What Iago was to Othello.

ANCIENT	Hoary.
ANCIENT	Old.
ANCIENT	"... of Days."
ANCIENT	Like the mariner
ANCIENT	Hoary
ANCIENT	Like Tyre or Nineveh
ANCIENT	Long gone
ANCIENT	Time-honored

ANCIENT	Like S.T.C.'s Mariner
ANCIENT	As old as the hills
ANCIENT	Of interest to archaeologists
ANCIENT	From long, long ago
ANCIENT	Socrates or Pythagoras, e.g.