MATERIAL, adj. Having an actual existence, as distinguished from an imaginary one. Important.
Material things I know, or fell, or see;
All else is immaterial to me.
2007 Update: In physics, composed of matter, having mass. In politics, composed of suspicion, provoking outrage.
"It violates every concept of fact we have in Washington! Or Sacramento!" -Brian Bilbray (R-San Diego) 9/19/2007