summons

nouns

a request to be present
"they came at his bidding"
bidding, summons
an order to appear in person at a given place and time
summons
is a type of (narrower)
(often plural) a command given by a superior (e.g., a military or law enforcement officer) that must be obeyed
"the British ships dropped anchor and waited for orders from London"
order
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
process, summons

verbs

call in an official matter, such as to attend court
cite, summon, summons