Merriam-Webster Collegiate Dictionary - sadducee

 noun  Etymology: Middle English saducee, from Old English sadduce, from Late Latin sadducaeus, from Greek saddoukaios, from Late Hebrew ?adduqi  Date: before 12th century a member of a Jewish party of the intertestamental period consisting of a traditional ruling class of priests and rejecting doctrines not in the Law (as resurrection, retribution in a future life, and the existence of angels)  • ~ism noun