stimulating

adjective

1. Serving to enliven: animating, enlivening, quickening, rousing, vitalizing, vivifying. See excite/bore/interest.
2. Producing or stimulating physical, mental, or emotional vigor: bracing, energizing, exhilarant, exhilarating, innerving, intoxicating, invigorating, refreshing, reinvigorating, renewing, restorative, roborant, tonic. See help/harm/harmless.

Definition: restorative
Antonyms: sedative

The adjective has 3 meanings:

Meaning #1: rousing or quickening activity or the senses
  Antonym: unstimulating (meaning #1)

Meaning #2: that stimulates
  Synonym: stimulant

Meaning #3: making lively and cheerful
  Synonym: exhilarating