To have a cheeky or mischievous grin; showing a frivolous or disrespectful attitude through smiling and giggling.

to have a mischievous, cheeky, or unserious expression; to grin or smile ingratiatingly while lacking a serious attitude

to welcome someone with a smiling face

smiling face; smiley symbol or emoticon

To put on a smile in order to apologize to someone or to curry favor with them; to smile apologetically

To put on a smile in order to apologize to someone or to please them.