eudaemon

{ , n. [ Gr. &unr_; conducive to happiness. See Eudemonism. ] That part of moral philosophy which treats of happiness; the science of happiness; -- contrasted with aretaics. J. Grote.

{ , n. [ Gr. &unr_; a thinking happy, fr, &unr_; blessed with a good genius, happy; e'y^ well, good + &unr_; one's demon of genius. See Demon. ] That system of ethics which defines and enforces moral obligation by its relation to happiness or personal well-being.

{ }, n. One who believes in eudemonism. [ 1913 Webster ]

I am too much of a eudæmonist; I hanker too much after a state of happiness both for myself and others. De Quincey.

{ , a. Of or pertaining to eudemonism.