syn·cre·tize 
(sĭngkrĭ-tīz′, sĭn-)
(sĭngkrĭ-tīz′, sĭn-)v. syn·cre·tized, syn·cre·tiz·ing, syn·cre·tiz·es
v.tr.
To reconcile and unite (differing religious beliefs, for example), especially with partial success or a heterogeneous result.
v.intr.
To combine differing elements or beliefs, especially with partial success or a heterogeneous result.
[Greek sunkrētizein, to unite against a common enemy; see SYNCRETISM.]