8
adult(adjective, big, ready, mature, established)
7
mature(adjective, big, ready, established, settled)
5
grown(adjective, ready, mature, established, settled)
4
ripe(adjective, ready, mature, established, settled)
3
full-fledged(adjective, mature, established, settled, developed)
3
full-grown(adjective, mature, established, settled, developed)
3
grown-up(adjective, big, ready, mature, established)
3
matured(adjective, established, settled, developed, grownup)
2
aged
2
big(adjective, youth)
2
full-blown(adjective, ready, established, settled, developed)
2
old
1
adolescent
1
developed(adjective, ready, mature, established, settled)
1
experienced
1
fully grown(expression, adjective, mature, established, settled)
1
grown up
1
major
1
pubescent
1
ripened(ready, mature, established, settled, developed)
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APASmart Define. (2015). of age thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/of_age/thesaurus/synonyms
ChicagoSmart Define. 2015. "of age thesaurus" https://smartdefine.org/of_age/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, of age thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/of_age/thesaurus/synonyms>.
MLASmart Define. "of age thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/of_age/thesaurus/synonyms>