exhilarant

ex.hil.a.rant

adj.（形容词）
Serving to exhilarate; exhilarating.
使人兴奋的：使兴高采烈；使快活
n.（名词）
Something that exhilarates or stimulates.
使人兴奋之事物，兴奋剂：使高兴或振作的东西