Smith also notched his seventh straight double-double.
Shakira Austin and Ashley Owusu have improved at the line.
Cowan got into foul trouble, but the Terps remained composed against Illinois.
The Terps rose to first-place in the Big Ten with victories against Rutgers and Illinois last week.
The Terps also notched their fourth straight double-digit victory.
"[We] kind of slowed them down a little bit.”
The Terps' strong second half pushed them to their eighth straight win.
“She’s a really dynamic guard that kind of separates us when she’s playing at that highest level.”
The Terps shot just 24.1 percent in the first half.
“I think this is the voice that my teammates want to hear, especially when we have gone through a little adversity in a game."