| century | |
| count | |
| cycle of indiction(expression, idiom) | |
| geological time(expression, idiom) | |
| great year | |
| indiction | |
| lastingness(noun, age) | |
| lifetime(noun, age) | |
| limitless period | |
| long while | |
| many | |
| number | |
| oldness(noun, age) | |
| period of time(expression, idiom) | |
| quantity | |
| right smart spell(expression, idiom) | |
| season | |
| sequel(set, round, sequence, series, phase) | |
| sequence(set, round, series, phase, era) | |
| span |
For more, visit
Eon on
Power Thesaurus
| APA | Smart Define. (2015). eon thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/eon/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "eon thesaurus" https://smartdefine.org/eon/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, eon thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/eon/thesaurus/synonyms>. |
| MLA | Smart Define. "eon thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/eon/thesaurus/synonyms> |