time of life vs mid-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, 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.