Akademik

longevity
I noun advancement, age, continuance, continuation, durability, durableness, duration, elderliness, endurance, furtherance, great span of life, lastingness, length of life, long life, longlivedness, maintenance, old age, oldness, perpetuation, persistence, prolongation, protraction, seniority, surviorship, survival, survivance, years II index age

Burton's Legal Thesaurus. . 2006