活躍

Adjective

 * 1) brisk; active; dynamic; lively

Verb

 * 1)  to be active; to be dynamic; to be lively
 * 2)  to liven up; to enliven; to animate; to invigorate

Noun

 * 1) activity, action

Verb

 * 1) to be active (in), to participate actively (in)