summons

a request to be present

an order to appear in person at a given place and time

a writ issued by authority of law; usually compels the defendant's attendance in a civil suit; failure to appear results in a default judgment against the defendant

The act of summoning; a call by authority, or by the command of a superior, to appear at a place named, or to attend to some duty.

call in an official matter, such as to attend court

To summon.