When Mr. Gradgrind was summoned to the couch, Sissy, attentive to all that happened, slipped behind that wicked shadow — a sight in the horror of his face, if there had been eyes there for any sight but one — and whispered in his ear.
There are no more uses of "summon" in the book.
Show samples from other sources
I was summoned to the principal’s office.
I summoned all my courage and walked into the room.