The Collaborative International Dictionary of English v.0.48:

Lovingly \Lov"ing*ly\, adv.
   With love; affectionately.
   [1913 Webster]

WordNet (r) 3.0 (2006):

lovingly
    adv 1: with fondness; with love; "she spoke to her children
           fondly" [syn: fondly, lovingly]

Moby Thesaurus II by Grady Ward, 1.0:

29 Moby Thesaurus words for "lovingly":
   adoringly, affectionately, amorously, ardently, assiduously,
   carefully, cautiously, circumspectly, considerately, dearly,
   devotedly, diligently, fondly, heedfully, industriously, mindfully,
   painstakingly, passionately, regardfully, sedulously, solicitously,
   tenderly, thoroughgoingly, thoroughly, thoughtfully,
   with affection, with care, with great care, with love