Jakob Behmen ja·kob·beh·men uncommon noun 1. German mystic and theosophist who founded modern theosophy; influenced George Fox (1575-1624) SynonymsBoehmeJakob BoehmeBohmeJakob BohmeBoehmJakob BoehmBehmenJakob Behmen Related words Broader terms mystic WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.