time of life vs fifties

Other hyponyms of time of life include summer, age, eld, neonatal period, babyhood, early childhood, infancy, childhood, schooldays, schooltime, youth, adolescence, prepuberty, puberty, pubescence, teens, mid-twenties, twenties, mid-thirties, thirties, thirty-something, forties, mid-forties, mid-fifties, mid-sixties, sixties, golden years, mid-seventies, seventies, eighties, mid-eighties, mid-nineties, nineties, bloom, bloom of youth, salad days, adulthood, maturity, bachelorhood, middle age, widowhood, age, eld, geezerhood, old age, years, deathbed.