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. Sweet intercourse Of looks and smiles: for smiles from reason flow. (milton)
2. A somewhat similar expression of countenance, indicative of satisfaction combined with malevolent feelings, as contempt, scorn, etc; as, a scornful smile.
3. Favor; countenance; propitiousness; as, the smiles of providence. The smile of heaven.
4. Gay or joyous appearance; as, the smiles of spring. The brightness of their [the flowers'] smile was gone. (bryant)
Origin: CF. Dan. Smiil, Sw. Smil. See Smile.