Shakedown (continuum mechanics), a type of plastic deformation\r Shakedown (testing) or a shakedown cruise, a period of testing undergone by a ship, airplane or other craft before being declared operational\r Extortion, a criminal act of coercion or intimidation for personal gain\r Similar to raid, a colloquial term for a mostly spontaneous and particularly intensive inspection inside a prison, where an inmate is searched for contraband including clothing, body and cell.