oldness

senescence seniority

elderliness golden years old age senectitude

agedness aging senectitude senescence seniority

infirmity

advancing years age agedness autumn of life caducity debility declining years decrepitude dotage elderliness evening of life feebleness geriatrics golden age golden years latter part of animate life longevity retirement age second childhood senectitude senescence senility seniority winter of life years

adolescence childhood infancy youth

agedness dotage generation lifespan lifetime senescence senility

caducity elderliness

childhood youth