William & Mary (10-6, 2-1 Colonial Athletic Association) hit 10 of 20 from beyond the arc and shot 56.9 percent from the field, including 70.8 percent in the first half en route to a 42-24 lead at halftime. The Tribe used a 29-7 run to build a 22-point lead shortly before the half.
Thornton was 4 of 6 on 3-pointers and hit 6 of 10 from the field, while Rusthoven hit 6 of 9 field goals.
Andre Nation scored a career-high 25 points for James Madison (6-13, 1-4), which got out-rebounded 35-24 and lost its fourth straight game. James Madison was just 5 of 23 from beyond the arc and 11 of 22 from the free throw line.