sequester

verb

1. requisition forcibly, as of enemy property"the estate was sequestered"
2. take temporary possession of as a security, by legal authority"The FBI seized the drugs"
3. undergo sequestration by forming a stable compound with an ion"The cations were sequestered"
4. keep away from others"He sequestered himself in his study to write a book"
5. set apart from others"The dentist sequesters the tooth he is working on"