To express by grinning.
To grin as part of producing a particular facial expression, such as a smile or sneer.
To smile, parting the lips so as to show the teeth.
A smile in which the lips are parted to reveal the teeth.
To express by smiling.
To have (a smile) on one's face.
To express amusement, pleasure, or love and kindness.
To be propitious or favourable; to countenance.
To look cheerful and joyous; to have an appearance suited to excite joy.
Favour; propitious regard.
A facial expression comprised by flexing the muscles of both ends of one's mouth, often showing the front teeth, without vocalisation, and in humans is a common involuntary or voluntary expression of happiness, pleasure, amusement, goodwill, or anxiety.