Smilingly
/ˈsmaɪlɪŋli/
Definition 1 of 1
Pro Tip 1/3Positive Emotion
Use 'smilingly' to emphasize a positive feeling behind a smile, not just the action. 
He answered the question smilingly, his eyes sparkling with joy.
Pro Tip 2/3Genuine Warmth
'Smilingly' suggests a sincere and warm smile, not a forced or fake one. 
She welcomed the new students smilingly, making them feel at home.
Pro Tip 3/3Friendly Interactions
Use 'smilingly' in social contexts to describe friendly or kind interactions. 
They chatting smilingly during the coffee break.