3
cosmopolitan(experienced, proficient)
3
dexterous(adjective, smart, practical, expert, skilled)
3
efficient(adjective, suitable, skilled, competent, accomplished)
3
golden-ager
3
good(adjective, smart, suitable, intelligent, practical)
3
grandfather
3
grandsire
3
hardened(adjective, skilled, experienced, seasoned)
3
long-serving(adjective, skilled, experienced, seasoned)
3
nonagenarian
3
not born yesterday(expression, adjective, idiom, skilled, experienced)
3
octogenarian
3
old campaigner(expression, idiom, proficient)
3
old man(expression, idiom)
3
old pro(noun, expression, person, authority, expert)
3
pantaloon
3
prepared(adjective, smart, familiar, knowledgeable, practical)
3
ripe
3
sexagenarian
3
skilful
10 years ago|8.9k views|share |citing 
APASmart Define. (2016). veteran thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/veteran/thesaurus/synonyms
ChicagoSmart Define. 2016. "veteran thesaurus" https://smartdefine.org/veteran/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, veteran thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/veteran/thesaurus/synonyms>.
MLASmart Define. "veteran thesaurus" 1 April 2016. Web. 26 September 2026. <https://smartdefine.org/veteran/thesaurus/synonyms>