To have (a smile) on one's face.
I don't know what he's smiling about.
To express by smiling.
to smile consent, or a welcome
To express amusement, pleasure, or love and kindness.
To look cheerful and joyous; to have an appearance suited to excite joy.
The sun smiled down from a clear summer sky.
To be propitious or favourable; to countenance.
The gods smiled on his labours.
The action of the verb to smile.
Smiling takes fewer muscles than frowning.