softly

from WordNet (r) 3.0 (2006)

softly
    adv 1: with low volume; "speak softly but carry a big stick";
           "she spoke quietly to the child"; "the radio was playing
           softly" [syn: {softly}, {quietly}] [ant: {aloud}, {loud},
           {loudly}]
    2: in a manner that is pleasing to the senses; "she smiled
       softly"
    3: with little weight or force; "she kissed him lightly on the
       forehead" [syn: {lightly}, {softly}, {gently}]
    4: used as a direction in music; to be played relatively softly
       [syn: {piano}, {softly}] [ant: {forte}, {loudly}]

from The Collaborative International Dictionary of English v.0.48

Softly \Soft"ly\, adv.
   In a soft manner.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

18 Moby Thesaurus words for "softly":
      a la sourdine, compliantly, delicately, dimly, easily, faintly,
      feebly, gently, hushedly, low, pianissimo, piano, sordamente,
      sordo, subduedly, submissively, tenderly, weakly