smile

Words with a similar base: smile

'smile'

[smile.n.01] as in: a facial expression characterized by turning up the corners of the mouth; usually shows pleasure or amusement

'smile'

[smile.v.01] as in: change one's facial expression by spreading the lips, often to signal pleasure

'smile'

[smile.v.02] as in: express with a smile

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Examples:
She smiled her thanks