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.
(..) Good Morning Sully. My name is Charles Porter I've been assigned from the National Transportation Safety in order to conduct this hearing today We have a lot of material to cover. But before we hear to the cockpit voice recording, we will listen for the first time with you Gentlemen. (..)2016 Sully