stolen

To take illegally, or without the owner's permission, something owned by someone else.

"Three irreplaceable paintings were stolen from the gallery."

(of ideas, words, music, a look, credit, etc.) To appropriate without giving credit or acknowledgement.

"They stole my idea for a biodegradable, disposable garbage de-odorizer."

To get or effect surreptitiously or artfully.

"He stole glances at the pretty woman across the street."

That has been stolen.