STEPHANOPOULOS: That may be, but it’s still a tax increase.
OBAMA: No. That’s not true, George. The — for us to say that you’ve got to take a responsibility to get health insurance is absolutely not a tax increase. ...
STEPHANOPOULOS: I — I don’t think I’m making it up. Merriam Webster’s Dictionary: Tax — “a charge, usually of money, imposed by authority on persons or property for public purposes.”
OBAMA: George, the fact that you looked up Merriam’s Dictionary, the definition of tax increase, indicates to me that you’re stretching a little bit right now. Otherwise, you wouldn’t have gone to the dictionary to check on the definition.
-- 9/20/09, here