EXHIL'ARATE, verb transitive egzhil'arate. [Latin exhilaro; ex and hilaro, to make merry, hilaris, merry, jovial.] To make cheerful or merry; to enliven; to make glad or joyous; to gladden; to cheer. Good news exhilarates the mind, as good wine exhilarates the animal spirits. EXHIL'ARATE, verb intransitive To become cheerful or joyous.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI