longevity Synonyms

endurance survival durability durableness life expectancy lifespan life span old age length of service permanence persistence continuance seniority tenacity stamina survivability immutableness standing strength years superannuation time changelessness survivance lastingness enduringness long-lastingness allotted span span of life period of existence length of life duration of life continued existence autumn of life shelf life long-livedness protractedness long-life life cycle stability era epoch abidance endlessness duration dotage diuturnity decrepitude debility continuity