Adjective
Kaplanian (comparative more Kaplanian, superlative most Kaplanian)
Of or relating to Mordecai Kaplan (born Mottel Kaplan; 1881–1983), Lithuanian-born American rabbi, writer, Jewish educator, professor, theologian, philosopher, activist, and religious leader who founded the Reconstructionist branch of Judaism along with his son-in-law Ira Eisenstein.
A second strand of Kaplanian theology exists, which makes clear that God has ontological reality, a real and absolute existence independent of human beliefs, while rejecting classical theism and any belief in miracles. Source: Internet