change one's facial expression by spreading the lips, often to signal pleasure, express with a smile, transitive To express by a smile, rare To affect in a certain way with a smile, intransitive To have or form a smile, To express cheerful acceptance or equanimity, To express with a smile, noun_ A facial expression characterized by an upward curving of the corners of the mouth and indicating pleasure, amusement, or derision, Gay or joyous appearance; an appearance that would naturally be productive of joy_ as, the smiles of spring, Favor; countenance; propitiousness

formal and explicit approval