The Collaborative International Dictionary of English v.0.48:

Smile \Smile\ (sm[imac]l), v. i. [imp. & p. p. Smiled
   (sm[imac]ld); p. pr. & vb. n. Smiling.] [OE. smilen; akin
   to Dan. smile, Sw. smila, MHG. smielen, smieren, L. mirari to
   wonder at, Skr. smi to smile; and probably to E. smicker.
   [root]173. Cf. Admire, Marvel, Smirk.]
   1. To express amusement, pleasure, moderate joy, or love and
      kindness, by the features of the face; to laugh silently.
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            He doth nothing but frown. . . . He hears merry
            tales and smiles not.                 --Shak.
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            She smiled to see the doughty hero slain. --Pope.
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            When last I saw thy young blue eyes, they smiled.
                                                  --Byron.
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   2. To express slight contempt by a look implying sarcasm or
      pity; to sneer.
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            'T was what I said to Craggs and Child,
            Who praised my modesty, and smiled.   --Pope.
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   3. To look gay and joyous; to have an appearance suited to
      excite joy; as, smiling spring; smiling plenty.
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            The desert smiled,
            And paradise was opened in the wild.  --Pope.
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   4. To be propitious or favorable; to favor; to countenance;
      -- often with on; as, to smile on one's labors.
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