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.
Maryland point guard Melo Trimble, considered a lock to leave the program before struggling in the second half last season, has withdrawn from the NBA draft and will return for his junior season.
Louisville's Chinanu Onuaku, who recently underwent a medical procedure to correct a heart rhythm issue detected during the combine, will keep his name in the NBA draft pool.
Andrew White III will return to the Nebraska men's basketball team next season after removing his name from the NBA draft.