Sentence:  "Well, mater," he said, in a voice of <WSD>factitious</WSD> calm, "I've got it." He was looking up at the ceiling. / "Got what?" / "The National Scholarship. Swynnerton says it's a sheer fluke. But I've got it. Great glory for the Bursley School of Art!" 
Meaning of the word marked with <WSD> tags:  Counterfeit, fabricated, fake.