keep captive

apprehend commit detain hold incarcerate jail lock up remand

cage check circumscribe closet constrain curb ice immure impound intern keep limit nab occlude pen restrain stockade trammel

bastille bottle up fence in hold captive hold hostage hold in custody keep in custody lock in put away put behind bars rail in send to prison send up shut in take prisoner

cease free let go liberate release stop

aid allow assist help permit