Serving to exhilarate; causing or producing exhilaration.
From exhilarat(e) + -ory (Latin suffix creating adjectives). The -ory ending is a variant of -ary and gives adjectives a somewhat formal or technical feel.
We have 'exhilarating,' 'exhilarative,' and 'exhilaratory' all meaning roughly the same thing—this word glut shows how English's powerful suffix system sometimes creates more variations than we actually need or use.
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