brahmo-somaj

from The Century Dictionary.

• noun A monotheistic religion in India, which originated with Rajah Ram Mohun Roy, a Hindu reformer, who died in 1833, and received a new impulse and a new direction under his successor, Keshub Chunder Sen, who died in 1885.

from the GNU version of the Collaborative International Dictionary of English.

• noun A modern reforming theistic sect among the Hindus.