Synonyms to long while

aeon, Platonic year, age, ages, annus magnus, blue moon, century, cycle, cycle of indiction, date, day, eternity, florid, generation, great year, indiction, long, long time, month of Sundays, right smart spell, time, years, years on end, Bronze Age, Dark Ages, Depression Era, Golden Age, Ice Age, Iron Age, Jacksonian Age, Middle Ages, New Deal Era, Prohibition Era, Silver Age, Steel Age, Stone Age, abidingness, aboriginality, ancien regime, ancientness, antiquate, antiquity, atavism, become extinct, become obsolete, caducity, cheat the undertaker, cobwebs of antiquity, constancy, continuance, days, decline, defeat of time, defiance of time, develop, diuturnity, dodder, durability, durableness, duration, dust of ages, eld, elderliness, eldership, endurance, epoch, era, fade, fail, fossilize, fust, get along, get on, glacial epoch, great age, grow, grow old, grow up, hoary age, hoary eld, inveteracy, lastingness, life, lifetime, long stand