Sentence:  If the inner functions of religion are performed , the individual is a composed , ordered , motivated , and emotionally secure associate ; he is not greatly frustrated , and he is not anomic ; he <WSD>is</WSD> better fitted to perform his social life among his fellows . 
Meaning of the word marked with <WSD> tags:  have the quality of being; (copula, used with an adjective or a predicate noun)