(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”
(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”