/ ˈhæpɪli; NAmE / adverb
1.
in a cheerful way; with feelings of pleasure or satisfaction :
children playing happily on the beach
to be happily married
I think we can manage quite happily on our own.
And they all lived happily ever after (= used as the end of a fairy tale ) .
2.
by good luck
SYN fortunately :
Happily, the damage was only slight.
3.
willingly :
I'll happily help, if I can.
4.
( formal ) in a way that is suitable or appropriate :
This suggestion did not fit very happily with our existing plans.