felicity felicity /fɪˈlɪsəti/

noun

1. () Pleasing and appropriate manner or style (especially manner or style of expression)  ( felicitousness , felicity )
   pleasing and appropriate manner or style (especially manner or style of expression)
   
2. State of well-being characterized by emotions ranging from contentment to intense joy  ( felicity , happiness )
   state of well-being characterized by emotions ranging from contentment to intense joy
     The laughter of children filled the playground, spreading happiness.
   The laughter of children filled the playground, spreading happiness.