Indiana got off to a miserable start, falling behind by 16 after one period and by 20 at halftime.
The Pacers steadily battled back and took an 84-83 lead when George hit a 3-pointer. Darren Collision added a free throw for Indiana with 9 seconds left to account for the final score.
John Wall then hit a floating jump shot for Washington, but it came after the final buzzer. The Wizards went without a point for the contest's final 2:34.
Washington, coming off a 2-4 road trip, got 21 points from Jordan Crawford and 16 from Wall.