summons; summonsing; citation; subpoena; arraigning; calling
convening; calling together (e.g. parliament); call-up (for military service)
recall (esp. of an envoy or an ambassador); calling someone back; summons (home)
draft papers; callup notice
responding to a call-up for military service; answering a call-up
mustering-out order; callup
conscript; draftee; selectee; inductee
summons for directions (legal UK)
to invite; to show (someone) in