(degree, manner) In a way or to a degree that is deserved or merited.
1847-48, William Makepeace Thackeray, Vanity Fair, 2008, Digireads.com Publishing, page 437,
Emmy, he remembered, was at one time cruelly and deservedly jealous of Rebecca, […] .
1986, Facts on File, Editorials on File, Volume 17, Part 2, Infobase Publishing, page 949,
The vote for Scalia was unanimous, and deservedly so.