Wiktionary
vb. (present participle of summon up English)
Usage examples of "summoning up".
She expanded her field of study from potions and spells to the uses of earth power and the elements, particularly the summoning up of shades and dead things that could be made to do her bidding and to offer their in sights.
She expanded her field of study from potions and spells to the uses of earth power and the elements, particularly the summoning up of shades and dead things that could be made to do her bidding and to offer their insights.
I know my own strength, I know what I can and can't do, and summoning up enough power to rescue two half-dead vampires is not within my abilities.
As you say, suppressing him, can it be done, will involve summoning up all your other retainers.
He leaned forward, tapping out his personal code, summoning up the diagram again, but his mind was no longer on the patent.
Yet here and there Ged understood something of what he tried to read, and with the girl's questions and her mockery always in his mind, he stopped on a page that bore a spell of summoning up the spirits of the dead.
Shann swam for that haven, summoning up the last rags of his strength, knowing that if he could not reach it very soon he was finished.