smile

definition: a facial expression characterized by turning up the corners of the mouth
example:
speech part: noun
synonyms: smiling grin grinning
definition: change one's facial expression by spreading the lips, often to signal pleasure
example:
speech part: verb
synonyms:
definition: express with a smile
example: I smiled with a sense of thanks.
speech part: verb
synonyms:

smile is explained and pronounced

How smile is being used?