Ancient

[ eyn-shuhnt ] 

adjective 

1 of or in time long past, especially before the end of the Western Roman Empire a.d. 476: ancient history. 

2 dating from a remote period; of great age: ancient rocks;ancient trees. 

3 very old; aged: She's fifteen, which is ancient for a dog that size. 

4 being old in wisdom and experience; venerable.