5
qualified(adjective, familiar, suitable, sophisticated, knowledgeable)
5
trouper(noun, person, expert, war)
5
warrior(noun, war, combatant, military, army)
5
worldly(adjective, familiar, sophisticated, knowledgeable, qualified)
4
dotard
4
crone(noun, adult)
4
gaffer
4
gifted(adjective, skilled, accomplished, talented)
4
maven
4
old-time(adjective, skilled, experienced, seasoned)
4
old salt(noun, expression, idiom, person, expert)
4
past master(noun, expression, expert, trouper)
4
predecessor
4
shellback(noun, person, expert, war, trouper)
4
skillful(adjective, familiar, sophisticated, knowledgeable, competent)
4
stager
3
ace
3
battle-scarred(adjective, skilled, experienced, hardened, seasoned)
3
capable(adjective, familiar, suitable, sophisticated, knowledgeable)
3
centenarian
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>