Synonyms to fountain of youth

immortality, afterlife, animal spirits, animate existence, animation, athanasia, athanasy, being alive, birth, deathlessness, eternal life, eternal youth, everlastingness, existence, having life, heroic legend, immortal name, imperishability, impregnability, incorruptibility, incorruption, indelibility, indestructibility, ineffaceability, ineradicability, inerasableness, inexpugnability, invincibility, invulnerability, legend, life, lifetime, liveliness, living, long life, longevity, memory, remembrance, spriteliness, undying fame, undyingness, viability, vitality, vivacity