| Hoary |
| Ancient |
| Classic |
| Eternal |
| Antique |
| Primeval |
| Timeworn |
| Venerable |
| Long-known |
| Going back |
| Traditional |
| Time-tested |
| Antediluvian |
| Time-honored |
| Longstanding |
| From long ago |
| Long-standing |
| From way back |
| Like some tales |
| Of long standing |
| Venerable, perhaps |
| From times of yore |
| From ancient times |
| From way back when |
| Going way, way back |
| Steeped in tradition |
| Ancient as the hills |
| From time immemorial |
| Lasting from long ago |
| Since time immemorial |
| From practically forever |
| Dating from time immemorial |
| Belonging to an ancient time |