expression, ichidan verb
be all smiles; have a smile on one's face
Describes a person whose face is filled with a smile, often a gentle or radiant one. Used in literary or descriptive contexts.
彼女はいつも笑みをたたえている。
She always has a smile on her face.
祖父は穏やかな笑みをたたえて孫を見つめた。
Grandfather gazed at his grandchild with a gentle smile.