THESAURUS
Surrogate
advocate, agent, alter ego, alternate, alternative, amicus curiae, analogy, attorney, backup, backup man, champion, change, changeling, comparison, copy, counterfeit, deputy, double, dummy, equal, equivalent, ersatz, exchange, executive officer, exponent, fake, father figure, father image, figurehead, fill-in, ghost, ghostwriter, imitation, lieutenant, locum, locum tenens, makeshift, metaphor, metonymy, mother figure, mother surrogate, next best thing, paranymph, personnel, phony, pinch hitter, pleader, procurator, proxy, relief, replacement, representative, reserves, ringer, second in command, second string, secondary, sign, spares, stand-in, sub, substituent, substitute, substitution, succedaneum, superseder, supplanter, symbol, synecdoche, third string, token, understudy, utility man, utility player, vicar, vicar general, vice, vice-president, vice-regent, vicegerent
ROGET THESAURUS
Surrogate
Deputy
N
deputy, substitute, vice, proxy, locum tenens, badli, delegate, representative, next friend, surrogate, secondary, regent, viceregent, vizier, minister, vicar, premier, chancellor, prefect, provost, warden, lieutenant, archon, consul, proconsul, viceroy, commissioner, Tsung-li Yamen, Wai Wu Pu, plenipotentiary, alter ego, team, eight, eleven, champion, acting, vice, vice regal, accredited to, in behalf of.