Synonyms for Era:

n.

history, the turn of the century, world. carboniferous, fossilize, ammonite, the Dreamtime, fossilized, Cro-Magnon man, caveman, fossil, the Cretaceous. block, chapter, delay, distance, countdown. •age (noun)
century, interval, interim, eon, oldness, millennium, span, longevity, lifetime, duration, generation, lastingness.
•date (noun)
course, hour, spell, year.
•duration (noun)
season, measure, spell, age, span, time, course, interval, aeon, date, duration, interim, epoch, cycle.
•epoch (noun)
study at period.
•era (noun)
cycle, time, day, generation, age, term, aeon, date, eon, geological era, epoch.
•indefinite duration (noun)
eternity, lapse, forever.
•life (noun)
history, season, longevity.
•period (noun)
measure.
•point of time (noun)
semester, second, week, day, term, year, decade, month, century, microsecond, millennium, minute, millisecond, hour.
•time (noun)
eternity, lastingness, second, week, month.

Other synonyms:

caveman, fossil, fossilize, the Dreamtime, fossilized, Cro-Magnon man, the Cretaceous, ammonite. countdown, carboniferous. delay, chapter. distance, world, history. block. •Other relevant words:
fossilized, fossilize, history, block, geological era, world, carboniferous, fossil, ammonite, chapter, countdown, distance, delay, caveman.

Usage examples for era

1. What are the great events that constitute a glorious era – Knickerbocker's History of New York, Complete by Washington Irving

2. It was the beginning of a new era – Complete State of the Union Addresses from 1790 to the Present by Various