Sentence:  Here Mr. Chevy Slyme, whose great abilities seemed one and all to point towards the sneaking quarter of the <WSD>moral compass</WSD>, nudged his friend stealthily with his elbow, and whispered in his ear. 
Meaning of the word marked with <WSD> tags:  The full range of virtues, vices, or actions which may affect others and which are available as choices (like the directions on the face of a compass) to a person, to a group, or to people in general.