subpena

: a writ commanding a designated person upon whom it has been served to appear (as in court or before a congressional committee) under a penalty (as a charge of contempt) for failure to comply — compare summons

: to call before a court or hearing by a subpoena the inspector is given the power to subpoena any relevant…witnesses —Harvard Law Review also : to command the production of (evidence) by a subpoena duces tecum subpoenaed documents : to command the production of (evidence) by a subpoena duces tecum subpoenaed documents