To be happy, the expression of pleasure, contentment, good-luck
or good fortune.
1. "The birth of the new baby brought great happiness to the family."
2. "The student was extremely happy with his good report."
Happiness is a positive emotion. Most of us see laughter as a sign of happiness, and can lead to good health. When you laugh there are many physiological responses that are happening through out your body. For instance:
Also, the facial expressions that can accompany happiness are: