If you dreamed about someone laughing at you: It may be difficult for you to clarify things, a person may be talking about their dubious ideas or arousing suspicion. It is a good sign to see someone smile at you in a dream or to see someone you do not know smiling at you. It is considered as a sign of living a happy and peaceful life and being in good communication and dialogue with people. To see someone smile generally corresponds to being happy, to happiness, to living in unity with the people one loves.