brisk

Short definition from Wiktionary

Adjective

1. 1
   Full of liveliness and activity; characterized by quickness of motion or action.
2. 2
   Full of spirit of life; effervescing.
3. 3
   Sparkling; fizzy.
4. 4
   Stimulating or invigorating.
5. 5
   Abrupt, curt in one's manner or in relation to others.

Verb

1. 1
   To make or become lively; to enliven; to animate.