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).

Initial adjustments to improve the functioning or the efficiency and to bring to a more satisfactory state.

“the new industry's economic shakedown”

Intended to test a new system under operating conditions and to familiarize the operators with the system.

“a shakedown cruise”