To show or feel amusement or good humor, To say with a laugh, to laugh secretly, or so as not to be observed, especially while apparently preserving a grave or serious demeanor toward the person or persons laughed at, transitive verb_ To affect or influence by means of laughter or ridicule, To waste in hilarity, to deride; to treat with mockery, contempt, and scorn; to despise, noun_ a humorous anecdote or remark intended to provoke laughter, a facial expression characteristic of a person laughing