smile

n.

1. A facial expression characterized by an upward curving of the corners of the mouth and indicating pleasure, amusement, or derision.
2. A pleasant or favorable disposition or aspect.

v. smiled, smil·ing, smiles
v. intr.

1. To have or form a smile.
2. 1. To look with favor or approval: Fortune smiled on our efforts.
   2. To express cheerful acceptance or equanimity: We smiled at the bad weather and kept going.

v. tr.

1. To express with a smile: Grandmother smiled her consent.
2. To effect or accomplish with or as if with a smile.

[From Middle English smilen, to smile, probably of Scandinavian origin. See smei- in Indo-European Roots.]