Synonyms of smile
IDIOM:▷ all smiles
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beamIf you say that someone is beaming, you mean that they have a big smile on their face because they are happy, pleased, or proud about something.
• She beamed at her friend with undisguised admiration.
• She knew he had news, because of the beam on his face.
grinWhen you grin, you smile broadly.
• He grinned, delighted at the memory.
Thesaurus for smile from the Collins English Thesaurus