perpetuity Synonyms

eternity endlessness sempiternity ever and a day agelessness timelessness perennation lastingness boundlessness vastitude unintermission sustainment survivance survival stability persistency perpetuation limitlessness monumentalize countlessness endless time time without end ages and ages world without end interminability incessantness ages eternalness eternality continuousness unendingness ceaselessness deathlessness athanasia perpetuate permanency permanence immeasurability forever everlastingness everlasting eternize Eternities eternalize endurance durableness durability diuturnity continuity continuance