7
ex-serviceman
7
oldster(noun, vet, adult)
7
patriarch
7
practised
7
senior(noun, adjective, tired, gray, mature)
6
graybeard(noun, adult)
6
trained(adjective, smart, familiar, suitable, sophisticated)
6
able(adjective, good, smart, suitable, intelligent)
6
accomplished(adjective, good, smart, familiar, suitable)
6
campaigner(noun, combatant)
6
gladiator
6
knowledgeable(adjective, familiar, suitable, adequate, skilled)
6
mature(adjective, familiar, sophisticated, tired, knowledgeable)
6
old soldier(noun, expression, idiom, person, expert)
6
old stager(noun, expression, idiom, proficient)
6
senior citizen(noun, adult)
5
fit(verb, suitable, adequate, competent, capable)
5
multiskilled
5
oldtimer
5
practical(adjective, smart, familiar, sophisticated, wise)
10 years ago|8.9k views|share |citing 
APASmart Define. (2016). veteran thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/veteran/thesaurus/synonyms
ChicagoSmart Define. 2016. "veteran thesaurus" https://smartdefine.org/veteran/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, veteran thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/veteran/thesaurus/synonyms>.
MLASmart Define. "veteran thesaurus" 1 April 2016. Web. 25 September 2026. <https://smartdefine.org/veteran/thesaurus/synonyms>