1. The imposition of a new organization; organizing differently (often involving extensive and drastic changes)
   "top officials were forced out in the cabinet shakeup";
   - reorganization, reorganisation [Brit], shake-up, rejig [Brit]

1. Agitate or disturb by sudden, forceful movements
   "The rough road shook up the passengers";
   - jar, bump around
    
2. Excite the feelings or emotions of; disturb the peace of
   "These stories shook up the community";
   - shake, excite, stir
    
3. Organize anew
   "We must shake up the company if we don't want to go under";
   - reorganize, reorganise [Brit]
    
4. (medicine) agitate vigorously, especially a patient's body to detect fluid or air movement
   "The doctor shook up the patient's chest to listen for abnormal sounds";
   - succuss
    
5. Change the arrangement or position of
   "The earthquake shook up the careful arrangement of items";
   - agitate, disturb, stir up, raise up
    
6. Make fuller by shaking
   "shake up the pillows";
   - fluff up, plump up

Derived forms: shakes up, shakeups, shaken up, shaking up, shook up, shake-ups

Type of: agitate, arouse, displace, elicit, enkindle [literary], evoke, kindle, move, organisation [Brit], organise [Brit], organization, organize, provoke, raise, shake