Cliff Ederaine added 12 points for the Eagles (6-5), who shot 57 percent from the field
After trailing by as many as 18, Pacific Lutheran rallied and closed to within 65-62 on Hoyt's rebound basket with 5:55 left. Eastern Washington answered with a 9-3 run, capped by Laron Griffin's dunk with 2:12 left.
Colimon's 3 gave Eastern Washington its biggest lead, 42-24, with 5:24 left in the first half. But Pacific Lutheran scored the last nine points of the half, capped by Terrell Williams' 3-pointer, to make it 42-33 at the break.
Schilling scored 11 of the Lutes' first 13 points.
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point guard Melo Trimble, considered a lock to leave the program before struggling in the second half last season, has withdrawn from the NBA draft and will return for his junior season.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.