Synonyms for Summon (same or very similar meaning)
WordNet sense 1 (gather or bring together):
muster, rally, come up, muster upWordNet sense 2 (call in an official matter, such as to attend court):
cite, summonsWordNet sense 3 (make ready for action or use):
marshal, mobilize, mobiliseFrom the ODE community, based on WordNetadd/edit