THESAURUS
vicarious
alternate, alternative, assigned, backup, commissioned, counterfeit, delegated, dummy, equivalent, ersatz, fake, imitation, indirect, makeshift, mock, phony, pinch, provisional, proxy, reserve, secondary, spare, stopgap, substitute, substituted, surrogate, temporary, tentative, token, utility
ROGET THESAURUS
vicarious
Substitution
N
substitution, commutation, supplanting, metaphor, metonymy, substitute, ersatz, makeshift, temporary expedient, replacement, succedaneum, shift, pis aller, stopgap, jury rigging, jury mast, locum tenens, warming pan, dummy, scapegoat, double, changeling, quid pro quo, alternative, representative, palimpsest, price, purchase money, consideration, equivalent, substituted, ersatz, phony,
vicarious, subdititious, instead, in place of, in lieu of, in the stead of, in the room of, faute de mieux.