Nouns

(n)agehow long something has existed“it was replaced because of its age”
(n)historic period, agean era of history having some distinctive feature“we live in a litigious age”
(n)age, elda time of life (usually defined in years) at which some particular qualification or power arises“she was now of school age”, “tall for his eld”
(n)long time, age, yearsa prolonged period of time“we've known each other for ages”, “I haven't been there for years and years”
(n)old age, years, age, eld, geezerhooda late time of life“old age is not for sissies”, “he's showing his years”, “age hasn't slowed him down at all”, “a beard white with eld”, “on the brink of geezerhood”

Verbs

(v)agebegin to seem older; get older“The death of his wife caused him to age fast”
(v)senesce, age, get on, mature, maturategrow old or older“She aged gracefully”, “we age every day — what a depressing thought!”, “Young men senesce”
(v)agemake older“The death of his child aged him tremendously”