Exhilarate \Ex*hil"a*rate\, v. t. [imp. & p. p. {Exhilarated}; p. pr. & vb. n. {Exilarating}.] [L. exhilaratus, p. p. of exhilarare to gladden; ex out + hilarare to make merry, hilaris merry, cheerful. See {Hilarious}.] To make merry or jolly; to enliven; to animate; to gladden greatly; to cheer; as, good news exhilarates the mind; wine exhilarates a man.