The Hawks rose victorious thanks to standout performances from Jeff Teague and Paul Millsap, who scored 28 and 25 points respectively.
"It isn't the NCAA [tournament]. One game doesn't mean we're out of the playoffs," Hill said after the encounter.
"We have to look at film and figure out how we can get four games."
Pacers reserve Luis Scola missed all six of his shots in the match to compound Indiana's misery at the Bankers Life Fieldhouse.