smile

nouns

a facial expression characterized by turning up the corners of the mouth; usually shows pleasure or amusement
grin, grinning, smile, smiling

verbs

change one's facial expression by spreading the lips, often to signal pleasure
smile
is derived from
smiler
is derived from
smiler
is derived from
smiling
is a type of (narrower)
contort the face to indicate a certain mental or emotional state
"He grimaced when he saw the amount of homework he had to do"
grimace, make a face, pull a face
express with a smile
"She smiled her thanks"
smile
is derived from
smiler
is a type of (narrower)
give expression to
"She showed her disappointment"
evince, express, show