|Noah Webster's Dictionary|
(adv.) In a sweet manner.
Sweetly (3 Occurrences)
Job 24:20 The womb shall forget him. The worm shall feed sweetly on him. He shall be no more remembered. Unrighteousness shall be broken as a tree. (WEB KJV JPS ASV DBY WBS NAS)
Song of Songs 1:3 Thine ointments savour sweetly; Thy name is an ointment poured forth: Therefore do the virgins love thee. (DBY)
Song of Songs 7:9 And the roof of thy mouth like the best wine for my beloved, that goeth down sweetly, causing the lips of those that are asleep to speak. (KJV WBS)