My parents never felt that I was college 'material'. [=that I was someone who should go to college]
Her boss regards her as executive 'material'. [=as someone who would make a good executive]
The comedian gets his 'material' from things that have happened to him.
(..) from the perspective of a child killer because you could never kill a child. I believe we all possess the raw material required to commit horrible acts. We just need the right or wrong combination of events to make the raw material combustible. (..)2018 TvShow: The Alienist Title: These Bloody Thoughts Season: 1 Episode 4