gravely (
http://definr.com/gravely)
adv 1: in a grave and sober manner; "he walked soberly toward the
altar" [syn:
soberly,
staidly]
2: to a severe or serious degree; "fingers so badly frozen they
had to be amputated"; "badly injured"; "a severely
impaired heart"; "is gravely ill"; "was seriously ill"
[syn:
badly,
severely,
seriously]