surrogate
noun
a person appointed to act for another; deputy.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Such an auxiliary sense of taste is the sense of novelty; and this latter is helped out in its surrogateship by the curiosity with which men view ingenious and puzzling contrivances.
From Theory of the Leisure Class by Thorstein Veblen