In erikson's theory, the sense of integrity achieved in late adulthood refers to the feeling that

According to Erikson's theory of psychosocial development, integrity vs. despair refers to the final stage of development that older adults aged 65 + years  experience. During this stage of development, older individuals who experience a sense of integrity reflect and look back on their lives in terms of their achievements, success and important experiences and interpersonal relationships with a sense of satisfaction and contentment.