Cole scored 23 in the second half for the Bison (2-10), going 10 of 10 from the foul line, six in the final minute.
Charles Vines had 21 points for the Shockers (3-7) with Elijah Maynard adding 13. The pair combined for 21 points in the first half when Washington Adventist took a 38-36 lead, outscoring Howard by six at the foul line.
A 7-0 run early in the second half, capped by Williams' 3-point play, put Howard up for good, 46-41. Cole and Williams scored back-to-back, Cole's a 3-pointer, pushing the lead to 15 with 8:22 left.
Washington Adventist cut it down to four with at the 1:41 mark but Cole made a layup and followed a turnover with the first of his closing free throws.
Xavier cuts the lead to 2 with clutch 3 late
Paul Scruggs knocks in a quick 3-pointer to cut Auburn's lead over Xavier to 77-75 late in the second half.
XAV VS AUB
Georgia reaches Cayman Islands Classic semis
Rayshaun Hammonds scored a career-high 31 points, Nicolas Claxton had 22 points, 11 rebounds and four assists, and Georgia beat Illinois State 80-68 on Monday in the second game of the Cayman Islands Classic.