Definition of "depreciable"

When my turn came, I said, “Mr. President, I know you’re interested in tax reform because when you were an actor, the marginal tax rate was 90 percent — and Mr. President, I’m interested in tax reform because when I was a basketball player, I was a depreciable asset.”

2009 August 30, Bill Bradley, “Tax Reform’s Lesson for Health Care Reform”, in New York Times‎