She answered the phone and, to her great 'joy', heard her son's voice on the line. [=she felt very happy when she heard her son's voice]
“You've spent hours looking for it. Any 'joy'? [='luck']” “No 'joy' whatsoever, I'm afraid. I can't find it.”
They were 'shouting/jumping for joy'. [=they shouted/jumped because they were very happy]
(..) Who you choose to be. So, who are you, panda? I am Po. And I'm gonna need a hat. Such sad, sad faces. But now is a time only for joy. You are going to be part of something beautiful. Once we reach the harbour, in front of all the world, you and your precious kung fu will die. (..)2011 Kung Fu Panda 2
(..) They brought great joy and prosperity to the city could also bring darkness and destruction. Shen's troubled parents consulted a soothsayer. (..)2011 Kung Fu Panda 2