DictionarysmilePleased or friendly expression
noun / verb

smile

SMYLE/smaɪl/

A pleased or friendly expression made with the mouth, or making this expression.

The young woman smiles warmly, her cheeks lifting.

A close, unobstructed portrait of a young woman smiling warmly, with clearly upturned mouth corners, lifted cheeks, and gently crinkled eyes.
Etymology

Middle English smilen already described a facial expression of amusement or pleasure. It became the ordinary word for this expression, while the older smirk narrowed toward an unpleasant kind of smile.

In context

Lizzie Peirce2:18
we all know that we can smile in photos but if you don't want to smile and you want to look like a tough ass hot model here's a few suggestions
Modeling 101: Facial Expressions to Look Good in Every Photo

More examples

  • His nervous smile faded when the interview began.
  • She smiled at the baby across the aisle.
  • The children greeted us with enormous smiles.

Forms

smile · smiles · smiled · smiling

smilingly adverb — With a smile.

Similar words

grin
Usually a broad smile, often showing teeth.
beam
A broad, visibly delighted smile rather than any friendly expression.