We don't have synonyms for eudaemonia yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are eudaemonic, eudaemon and eudemonic.
(n) :
Alternative form of Eudaimonia. [(ethics) In Aristotelian ethics, a condition of living a life of the highest virtue; the state of human flourishing, which is desirable in and of itself, rather than as a means towards some other end.]
(n) :
Alternative form of Eudaimonia. [(ethics) In Aristotelian ethics, a condition of living a life of the highest virtue; the state of human flourishing, which is desirable in and of itself, rather than as a means towards some other end.]