| adjective | enjoying or showing or marked by joy or pleasure “a happy smile” |
| adjective | marked by good fortune “a felicitous life” |
| adjective | eagerly disposed to act or to be of service “glad to help” |
| adjective | well expressed and to the point “a happy turn of phrase” |
| happiness | noun | state of well-being characterized by emotions ranging from contentment to intense joy |
| felicitousness | noun | pleasing and appropriate manner or style (especially manner or style of expression) |
| felicity | noun | state of well-being characterized by emotions ranging from contentment to intense joy |