3
successor(noun, replacement, alternative, alternate, backup)
2
actor(noun, agent, representative, operative, manager)
2
agency(noun, agent)
2
ambassador(noun, agent, substitute, representative, assistant)
2
backup man(expression, idiom)
2
changeling(supply, agent, replacement, alternative, alternate)
2
different(adjective, substitute, alternative, other, alternate)
2
equivalent(supply, agent, substitute, replacement, alternative)
2
exchange
2
executor(noun, agent, substitute, representative, operative)
2
expedient(noun, support, person, thing, property)
2
fill in(verb, expression, phrasal verb)
2
legate
2
mediator(noun, agent, representative, manager)
2
metaphor
2
mouthpiece(noun, deputy)
2
nominee(noun, deputy)
2
procurator(supply, agent, replacement, alternative, alternate)
2
recourse(noun, support, person, thing, property)
2
refilling
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APASmart Define. (2015). surrogate thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/surrogate/thesaurus/synonyms
ChicagoSmart Define. 2015. "surrogate thesaurus" https://smartdefine.org/surrogate/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, surrogate thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/surrogate/thesaurus/synonyms>.
MLASmart Define. "surrogate thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/surrogate/thesaurus/synonyms>