= action by which humans give expression to a friendly attitude, joy and amusement with the gestures and sounds that normally accompany it; this is normally regarded as a good thing, especially when done with restraint, whereas a lack of restraint is often associated with foolishness
to laugh, to smile
Rejoice
= action by which humans engage in activities associated with joy and contentment by leaping, dancing, celebrating, and even engaging in games
to make merry, to play, to joke
Confident
literally: to laugh (at something); hence: = state in which humans or animals have no fear for a certain situation
to laugh at, to be confident in the face of
Revile
literally: to laugh (at someone); hence: = action by which humans or deities express their lack of respect for (other) humans, often accompanied by laughter