im·pris·on 
(ĭm-prĭzən)
(ĭm-prĭzən)tr.v. im·pris·oned, im·pris·on·ing, im·pris·ons
To put in or as if in prison; confine.
[Middle English emprisonen, from Old French emprisoner : en-, in (from Latin in-; see IN-2) + prison, prison; see PRISON.]
im·prison·a·ble adj.
im·prison·ment n.