Sentence:  His religious beliefs provide him with plausible <WSD>explanations</WSD> for many conditions which cause him great concern , and his religious faith makes possible fortitude , equanimity , and consolation , enabling him to endure colossal misfortune , fear , frustration , uncertainty , suffering , evil , and danger . 
Meaning of the word marked with <WSD> tags:  a statement that makes something comprehensible by describing the relevant structure or operation or circumstances etc.