The 23-6 first-half spurt helped the Terps pull away.
"He makes us a much faster team."
Dockery is a 3-star combo guard from Washington, D.C.
Although No. 6 Florida lost, the Terps stayed put.
Jalen Smith led the Terps with 19 points and added 11 rebounds.
Morsell scored 15 points and added five rebounds and four assists.
The Crusaders kept it close early, but the Terps eventually overpowered.
The No. 7 Terps kick off their 2019-20 season at home against the Crusaders.
Smith returned to the Terps this season hungry to avenge last year's NCAA tournament defeat.
Aaron Wiggins and the freshman stood out, free-throw shooting did not.