The Collaborative International Dictionary of English v.0.48:

Lovely \Love"ly\, adv.
   In a manner to please, or to excite love. [Obs. or R.]
   --Tyndale.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Lovely \Love"ly\, a. [Compar. Lovelier; superl. Loveliest.]
   [AS. luflic.]
   1. Having such an appearance as excites, or is fitted to
      excite, love; beautiful; charming; very pleasing in form,
      looks, tone, or manner. "Lovely to look on." --Piers
      Plowman.
      [1913 Webster]

            Not one so fair of face, of speech so lovely.
                                                  --Robert of
                                                  Brunne.
      [1913 Webster]

            If I had such a tire, this face of mine
            Were full as lovely as is this of hers. --Shak.
      [1913 Webster]

   2. Lovable; amiable; having qualities of any kind which
      excite, or are fitted to excite, love or friendship.
      [1913 Webster]

            A most lovely gentlemanlike man.      --Shak.
      [1913 Webster]

   3. Loving; tender. [Obs.] "A lovely kiss." --Shak.
      [1913 Webster]

            Many a lovely look on them he cast.   --Chaucer.
      [1913 Webster]

   4. Very pleasing; -- applied loosely to almost anything which
      is not grand or merely pretty; as, a lovely view; a lovely
      valley; a lovely melody.
      [1913 Webster]

            Indeed these fields
            Are lovely, lovelier not the Elysian lawns.
                                                  --Tennyson.

   Syn: Beautiful; charming; delightful; delectable; enchanting;
        lovable; amiable.
        [1913 Webster]

WordNet (r) 3.0 (2006):

lovely
    adj 1: appealing to the emotions as well as the eye
    2: lovable especially in a childlike or naive way [syn:
       adorable, endearing, lovely]
    n 1: a very pretty girl who works as a photographer's model
         [syn: cover girl, pin-up, lovely]