 Since ancient times, this has been an element in traditional indigenous religions.In today's world, it is a growing phenomenon manifesting itself in traditional indigenous religiosity on all continents through non-aligned spiritualistic groups and many syncretistic movements and within elements of orthodox religions by which it is still seen as a challenge.Many reference works also use the term "spiritism" to mean the same thing as "spiritualism" but "Spiritism" is more accurately used to mean Kardecist spiritism.