exhilarator

In the preceding part of this enquiry, it has been found that the principal qualities of this tea are moderately astringent, balsamic, and aromatic; it is therefore evident, that, from a combination of these eminent medical principles, this tea must operate as a sedator of perturbation, a renovator of exhausted solids, and an exhilarator of nervous depression.

A Treatise on Foreign Teas Abstracted From An Ingenious Work, Lately Published, Entitled An Essay On the Nerves Hugh Smith

"laid low by prostrate trouble" and the car driver who unintentionally "stepped on the exhilarator."

VERBATIM: The Language Quarterly Vol IV No 4 1977