1) Arousing 2) Bracing 3) Challenging 4) Cordial 5) Excitant 6) Exciting 7) Exhilarating 8) Fascinating 9) Hypodermic 10) Inspirational 11) Interesting 12) Invigorating 13) Jazzy 14) Rousing 15) Salty 16) Sparkling 17) Stimulant 18) Stimulative 19) Stirring 20) Thrilling 1) Bracing 2) Challenging 3) Cool 4) Energizing 5) Exciting 6) Exciting, inspiring 7) Inspirational 8) Interesting 9) Invigorating 10) Making lively and cheerful 11) Moving 12) Piquant 13) Revitalizing 14) Rousing 15) Salty 16) Stimulative 17) Stirring 18) That stimulates 19) Thirst-quenching 20) Thought-provoking 
• (p. pr. & vb. n.) of Stimulate
[adj] - rousing or quickening activity or the senses
adjective rousing or quickening activity or the senses; `a stimulating discussion`