noun
1.
ethics plural but usually singular in construction the discipline dealing with what is good and bad and with moral duty and obligation
ethics has been called the science of the ideal of human character
Synonyms: morals
2.
a group of moral principles or set of values
the Christian ethic
Synonyms: morality, morals, mores
3.
ethics plural the code of conduct or behavior governing an individual or a group (as the members of a profession)
medical ethics
Synonyms: principles
Related Word: moralities, morals, mores; criteria, standards
4.
the complex of ideals, beliefs, or standards that characterizes or pervades a group, community, or people
the American work ethic
Synonyms: ethos
Related Word: belief, ideal, standard, value