Sentence:  I heard something of it, however, and, young as I was, could not help wondering how men who carried the worst passions of life into their retreat, could imagine "that" retreat was a refuge from the erosions of their evil tempers, the <WSD>monitions</WSD> of conscience, and the accusations of God. 
Meaning of the word marked with <WSD> tags:  A caution or warning. (from 14th c.)