Definition
Syncretism is the merging of elements from different religious or cultural traditions into a single combined system. Beliefs, deities, rituals, festivals, or art forms from separate sources are fused so thoroughly that they form a new whole.
It contrasts with both pure orthodoxy and mere coexistence. Where toleration lets traditions sit side by side, syncretism interweaves them so that the parts can no longer be cleanly separated.
Why it matters
How it works
Syncretism typically occurs where two traditions meet through trade, conquest, migration, or missionary activity. Rather than abandon familiar practice, people graft new beliefs onto old ones — identifying a foreign god with a local one, or keeping ancestral rituals within a new faith.
Over generations the borrowed and the native elements fuse into something that feels seamless to its practitioners. Japan's long blending of Shinto and Buddhism is a classic example, as are the many faiths formed when world religions met indigenous traditions.