To summon is to order to meet, to bring together or to order to come.(verb)
To summon is to call up or evoke.(verb)
An example of to summon is to gather up courage to jump from a high diving board.
See summon in Webster's New World College Dictionary
Origin: ME somonen < OFr somondre < VL *submonere, for L summonere, to remind privily < sub-, under, secretly + monere, to advise, warn: see monitor
See summon in American Heritage Dictionary 4
transitive verb sum·moned, sum·mon·ing, sum·mons
Origin: Middle English somonen
Origin: , from Old French somondre
Origin: , from Vulgar Latin *summonere
Origin: , from Latin summonēre, to remind privately, hint to
Origin: : sub-, secretly; see sub-
Origin: + monēre, to warn; see men-1 in Indo-European roots.
Learn more about summon