Read the dictionary definition of shakedown. All definitions for this word.
1. extortion of money (as by blackmail)
2. a very thorough search of a person or a place
1. a shakedown by the police uncovered the drugs
3. initial adjustments to improve the functioning or the efficiency and to bring to a more satisfactory state
1. the new industry's economic shakedown
4. intended to test a new system under operating conditions and to familiarize the operators with the system
1. a shakedown cruise