Nouns

(n)bidding, summonsa request to be present“they came at his bidding”
(n)summonsan order to appear in person at a given place and time
(n)summons, processa 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

Verbs

(v)summon, summons, citecall in an official matter, such as to attend court