joy
[joi]

–noun
1. the emotion of great delight or happiness caused by something exceptionally good or satisfying; keen pleasure; elation: She felt the joy of seeing her son’s success.

2. a source or cause of keen pleasure or delight; something or someone greatly valued or appreciated: Her prose style is a pure joy.

3. the expression or display of glad feeling; festive gaiety.

4. a state of happiness or felicity.

–verb (used without object)
5. to feel joy; be glad; rejoice.

–verb (used with object)
6. Obsolete . to gladden.