5
longevity
5
oldness(noun, stage, infirmity, feebleness, debility)
5
senility(noun, decline, period, age, maturity)
5
stage(noun, time, present, turn, point)
4
advance(verb, develop, turn, raise, produce)
4
agedness(noun, infirmity, feebleness, youth, oldness)
4
antiquity(noun, oldness)
4
dotage(noun, decline, period, maturity, infirmity)
4
improve(verb, progress, relax, grow, expand)
4
interval(noun, time, duration)
4
long(noun, time)
4
maturity(noun, period)
4
senectitude(noun, decline, infirmity, feebleness, youth)
4
senesce
4
senescence(noun, decline, infirmity, feebleness, youth)
4
seniority(noun, period)
4
wane(noun, verb, older)
4
world(noun, period, era, days, times)
3
bring to maturity(expression, idiom)
3
caducity(noun, infirmity, feebleness, debility)
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APASmart Define. (2016). age thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/age/thesaurus/synonyms
ChicagoSmart Define. 2016. "age thesaurus" https://smartdefine.org/age/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, age thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/age/thesaurus/synonyms>.
MLASmart Define. "age thesaurus" 2 March 2016. Web. 22 September 2026. <https://smartdefine.org/age/thesaurus/synonyms>