#1 summon v. [summons, cite] call in an official matter, such as to attend court. wn
#2 summon v. ask to come; "summon a lawyer". wn
#3 summon v. [muster, rally, come up, muster up] gather or bring together; "muster the courage to do something"; "she rallied her intellect"; "Summon all your courage". wn
#4 summon v. [mobilize, mobilise, marshal] make ready for action or use; "marshal resources". wn
vizzz