1910, Emerson Hough, The Purchase Price Chapter 1, Serene, smiling, enigmatic, she faced him with no fear whatever showing in her dark eyes. The clear light of the bright autumn morning had no terrors for youth and health like hers.
The action of the verb to smile.Smiling takes fewer muscles than frowning.
1837, Harriet Catharine Grew, Memorials of a Young ChristianWe ... shall ascend to our Father's home of holiness, to enjoy perpetually the smilings of his face ...
Verb
smiling
Present participle of smileThey were smiling at the children.