noun.
The life and practices of a brigand; highway robbery by organized gangs; figuratively, organized spoliation: as, brigandage in the legislature or on the bench.
the GNU version of the Collaborative International Dictionary of English
noun.
Life and practice of brigands; highway robbery; plunder.
"One of the redeeming features of the Munich tragedy (and I am not condemning it) and the present international lawlessness and brigandage is the change in the United States."