Shakedown

Noun

 * 1)  Extortion, especially through blackmail
 * What is this, a shakedown?
 * 1)  A thorough search; a frisk
 * 2) A trial or test period, especially of a ship or aircraft

Adjective
shakedown


 * 1) that tests the performance of a ship or aircraft

Thesaurus
Gedankenexperiment, audition, badger game, bench test, blackmail, bloodsucking, dry run, extortion, flight test, hearing, pilot plan, practical test, practice, protection racket, rehearsal, road test, shakedown cruise, test flight, test run, trial run, tryout, vampirism, workout

Etymology
, from the phrase "shake down".