et·i·quette
[et-i-kit, -ket] Show IPA
noun
1.
conventional requirements as to social behavior; proprieties of conduct as established in any classor community or for any occasion.
2.
a prescribed or accepted code of usage in matters of ceremony, as at a court or in official or otherformal observances.
3.
the code of ethical behavior regarding professional practice or action among the members of aprofession in their dealings with each other: medical etiquette.
I like this word.....:)
