Sentence:  Religious faith can be considered a necessary condition of membership in a congregation , since the decision to join a worshiping group requires some motive force , but faith is not a sufficient condition for joining ; the presence of other members of similar social and <WSD>economic</WSD> level is the sufficient condition . 
Meaning of the word marked with <WSD> tags:  of or relating to an economy, the system of production and management of material wealth