| age(noun, time, life, diuturnity) |
| lifetime(noun, course, duration) |
| lastingness(noun, strength, life, resolution, fortitude) |
| old age(noun, expression, adjective, idiom, life) |
| seniority(noun, time, life) |
| oldness(noun, time, life) |
| declining years(expression, idiom, life, duration) |
| hoary age(expression, idiom, life, duration) |
| duration(noun, run, strength, course, resolution) |
| decline of life(expression, idiom, life, duration) |
| era(noun, course, duration, lifetime) |
| green old age(expression, idiom, course, life) |
| second childhood(expression, idiom, life, duration) |
| senility(noun, course, life, existence) |
| superannuation(noun, course, life, existence) |
| vale of years(expression, idiom, life, duration) |
| animation(noun, life, duration) |
| advanced age(expression, idiom, life, duration) |
| anility(noun, life, duration) |
| abidingness(noun, life, duration) |