"Oh yeah, it would've been over," Smith said after Tuesday's practice. "I'd have been playing golf today."
The NBA suspended Smith for Game 4 after the Sixth Man Award winner threw an elbow at Jason Terry's chin late in Game 3.
Smith watched on television Sunday as the Celtics defeated the Knicks 97-90 in overtime to avoid elimination and extend the series. Terry scored nine points in overtime.
Asked about Terry on Tuesday, Smith said, "Who? I don't even know who that is."
Click here for the full news story.
You can follow Ian Begley on Twitter.