sequester -- (requisition forcibly, as of enemy property; "the estate was sequestered")
impound, attach, sequester, confiscate, seize -- (take temporary possession of as a security, by legal authority; "The FBI seized the drugs"; "The customs agents impounded the illegal shipment"; "The police confiscated the stolen artwork")
sequester -- (undergo sequestration by forming a stable compound with an ion; "The cations were sequestered")
seclude, sequester, sequestrate, withdraw -- (keep away from others; "He sequestered himself in his study to write a book")