1. authoritatively or urgently call on (someone) to be present, especially as a defendant or witness in a law court: "the Pope summoned Anselm to Rome"Similarsend forcall forask forrequest the presence ofdemand the presence ofaskinvitearchaic:bid
▪ urgently demand (help): "she summoned medical assistance"
▪ bring to the surface (a particular quality or reaction) from within oneself: "she managed to summon up a smile"Similarmustergathercollectrallycall into actionmobilizescrew up