Wiedeman finished with 14 points and 12 rebounds for the Cougars (16-7, 8-3 Southern Conference), who have won four straight games. Willis Hall scored 12 points and grabbed nine rebounds, and Anthony Stitt and Adjehi Baru each had 10 points.
College of Charleston led for most of the contest, taking a 28-14 lead with 9:04 left in the first half on a 3-pointer by Lawrence, who also had six assists. The Cougars went into halftime with a 13-point advantage and continued to dominate the Spartans in the second half, leading by as many as 22 points.
Florida State's student government has passed a resolution discouraging Seminoles fans from wearing Native American headdresses at games.
The second annual Gavitt Tipoff Games, eight games between members of the Big East and Big Ten to be played Nov. 14-18, will feature Villanova at Purdue in the opener.
Michael Lewis is leaving his assistant coaching job at Butler to take the same position at Nebraska under Tim Miles.