Total expenditure for the study is now $1.25 million.
The former lacrosse captain won the One Love Foundation's Unsung Hero Award in May.
The donation from former field hockey player Cherifa Howarth and her husband Greg will help complete construction of the field hockey and lacrosse field set to open this fall.
Several took to Twitter to show their appreciation for Lear, who is one of four men's basketball players to have his number retired by Temple.
The senior guard played in all 33 games, starting all but one, and led the team in assists during the 2015-2016 season.
The varsity 8 boat is still primed for a medal after winning its first heat on Friday on the Schuylkill River.
Led by its 13 seniors, the lacrosse team made its first appearance in the Big East tournament in three seasons, eventually losing to No. 2 Florida in the championship.
The University of Florida used a six-goal run to defeat the Owls, 16-4, in the Big East Conference championship game on Saturday at Georgetown University’s Cooper Field.
Senior midfielder Kirstie Connor had four draw controls and scored a career-high five goals, four of which in the second half, to help the Owls advance to the Big East final with a 12-8 victory on Saturday at Cooper Field against Connecticut.
Megan and Nicole Tiernan’s plans will be settled after graduation.