Denshi Jisho — Online Japanese dictionary

幸福 こうふく happiness; blessedness; joy; well-being
Common word, Na-adjective, Noun 
幸福感 こうふくかん feeling of happiness; sense of well-being; euphoria
Noun 
幸福主義 こうふくしゅぎ eudaemonism; eudemonism
Noun 
幸福に浸る こうふくにひたる to be blissful; to be very happy
Expression, Godan verb with ru ending 
幸福の科学 こうふくのかがく Kofuku-no-Kagaku; The Institute for Research in Human Happiness (religion founded in Japan in 1986)
Noun 
幸福を求めて こうふくをもとめて in search (pursuit) of happiness
Expression 
幸福追求権 こうふくついきゅうけん right to the pursuit of happiness
Noun 

You can also

Look up kanji details for 幸福.

Try a Yahoo Jisho search for 幸福 .
Try a Goo Jisho search for 幸福 .
Try a Google search for 幸福 .