Adverb
In a soft manner.
Source: Webster's dictionaryFair and softly goes far. Miguel de Cervantes
These pearls of thought in Persian gulfs were bred, Each softly lucent as a rounded moon The diver Omar plucked them from their bed, Fitzgerald strung them on an English thread. James Russell Lowell
So softly death succeeded life in her, She did but dream of heaven, and she was there. John Dryden
One cannot ski so softly that the tracks cannot be seen. Finnish Proverb
Fair and softly goes far in a day. American Proverb
Go softly at bad bits of road. Italian Proverb