Merriam-Webster Collegiate Dictionary - lasting

 I. adjective  Date: 12th century existing or continuing a long while ; enduring  • ~ly adverb  • ~ness noun Synonyms:  ~, permanent, durable, stable mean enduring for so long as to seem fixed or established. ~ implies a capacity to continue indefinitely a book that left a ~ impression on me. permanent adds usually the implication of being designed or planned to stand or continue indefinitely permanent living arrangements. durable implies power to resist destructive agencies durable fabrics. stable implies ~ness because of resistance to being overturned or displaced a stable government.  II. noun  Date: 15th century  1. archaic long life  2. a sturdy cotton or worsted cloth used especially in shoes and luggage