laugh

To express certain emotions, especially mirth or delight, by a series of spontaneous, usually unarticulated sounds often accompanied by corresponding facial and bodily movements.

To show or feel amusement or good humor.

To feel or express derision or contempt; mock.

To feel a triumphant or exultant sense of well-being.

To produce sounds resembling laughter.

To affect or influence by laughter.

To say with a laugh.

The act of laughing.