WordWeb Online

1. Arouse or excite feelings and passions
   "The refugees' fate stirred up compassion around the world";
   - inflame, wake, ignite, heat, fire up
    
2. Try to stir up public opinion
   - agitate, foment
    
3. Change the arrangement or position of
   - agitate, vex, disturb, commove, shake up, raise up
    
4. Provoke or stir up
   "stir up a riot";
   - incite, instigate, set off

Derived forms: stirs up, stirred up, stirring up

Type of: arouse, displace, elicit, enkindle [literary], evoke, fire, kindle, move, provoke, raise, stimulate