The time that a person or a thing has existed since birth or beginning
Old age; elderliness.
Age, especially old age:
the organic process of growing older and showing the effects of increasing age
Find another word for senescence. In this page you can discover 8 synonyms, antonyms, idiomatic expressions, and related words for senescence, like: age, agedness, elderliness, senectitude, year, youth, aging and ageing.