smiling
smil-ing
adjective
Having a smile on one's face; expressing pleasure, amusement, or friendliness.
"She had a warm, smiling face."
verb
Present participle of 'to smile'; forming one's mouth into a smile.
"He was smiling at her joke."
noun
The act or an instance of forming one's mouth into a smile.
"Her constant smiling brightened the room."