'Smile' definitions:

Definition of 'smile'

noun

A facial expression characterized by turning up the corners of the mouth; usually shows pleasure or amusement [syn: smile, smiling, grin, grinning]

verb

Change one's facial expression by spreading the lips, often to signal pleasure

verb

Express with a smile; "She smiled her thanks"

From: GCIDE

Smile \Smile\, v. t.
1. To express by a smile; as, to smile consent; to smile a welcome to visitors. [1913 Webster]
2. To affect in a certain way with a smile. [R.] [1913 Webster]
And sharply smile prevailing folly dead. --Young. [1913 Webster]

From: GCIDE

Smile \Smile\, n. [CF. Dan. smiil, Sw. smil. See Smile, v. i.]
1. The act of smiling; a peculiar change or brightening of the face, which expresses pleasure, moderate joy, mirth, approbation, or kindness; -- opposed to frown. [1913 Webster]
Sweet intercourse Of looks and smiles: for smiles from reason flow. --Milton. [1913 Webster]
2. A somewhat similar expression of countenance, indicative of satisfaction combined with malevolent feelings, as contempt, scorn, etc; as, a scornful smile. [1913 Webster]
3. Favor; countenance; propitiousness; as, the smiles of Providence. "The smile of heaven." --Shak. [1913 Webster]
4. Gay or joyous appearance; as, the smiles of spring. [1913 Webster]
The brightness of their [the flowers'] smile was gone. --Bryant. [1913 Webster]

From: GCIDE

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. [1913 Webster]
He doth nothing but frown. . . . He hears merry tales and smiles not. --Shak. [1913 Webster]
She smiled to see the doughty hero slain. --Pope. [1913 Webster]
When last I saw thy young blue eyes, they smiled. --Byron. [1913 Webster]
2. To express slight contempt by a look implying sarcasm or pity; to sneer. [1913 Webster]
'T was what I said to Craggs and Child, Who praised my modesty, and smiled. --Pope. [1913 Webster]
3. To look gay and joyous; to have an appearance suited to excite joy; as, smiling spring; smiling plenty. [1913 Webster]
The desert smiled, And paradise was opened in the wild. --Pope. [1913 Webster]
4. To be propitious or favorable; to favor; to countenance; -- often with on; as, to smile on one's labors. [1913 Webster]