Adverbs

(r)softly, quietlywith low volume“speak softly but carry a big stick”, “she spoke quietly to the child”, “the radio was playing softly”
(r)softlyin a manner that is pleasing to the senses“she smiled softly”
(r)lightly, softly, gentlywith little weight or force“she kissed him lightly on the forehead”
(r)piano, softlyused as a direction in music; to be played relatively softly