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eon

see definition of eon
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Synonyms for eon

noun an age
  • aeon
  • ages
  • years
  • time period

era

noun. time period in history
  • aeon
  • age
  • cycle
  • date
  • day
  • days
  • eon
  • epoch
  • generation
  • stage
  • term
  • time
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.