initial adjustments to improve the functioning or the efficiency and to bring to a more satisfactory state
"the new industry's economic shakedown"
a very thorough search of a person or a place
"a shakedown by the police uncovered the drugs"
extortion of money (as by blackmail)
Extortion, especially through blackmail
intended to test a new system under operating conditions and to familiarize the operators with the system
"a shakedown cruise"
that tests the performance of a ship or aircraft