A value system is a set of beliefs and principles that guide an individual or group in making decisions. It is often based on religious, cultural, or philosophical values. The two crossword solutions for the term 'value system' are 'ETHIC' and 'ETHOS'. ETHIC is a set of moral principles that govern a person's behavior or the conducting of an activity. ETHOS is the characteristic spirit of a culture, era, or community as manifested in its attitudes and aspirations.