Noah Webster
Soundly
SOUND'LY, adverb [from sound, entire.]
1. Healthily; heartily.
2. Severely; lustily; with heavy blows; smartly; as, to beat one soundly
3. Truly; without fallacy or error; as, to judge or reason soundly
4. Firmly; as a doctrine soundly settled.
5. Fast; closely; so as not to be easily awakened; as, to sleep soundly