Commonly accepted social behaviors that display gracious consideration for other are known as:

emotions

consequences

friendships

manners

Commonly accepted social behaviors that display gracious consideration for other are known as manners. The correct option among all the options that are given in the question is the last option. There could have been a confusion between the choice friendships and manners. But on a closer look at the question it can be said that manners is the word that covers the subject as a whole. Friendly is a close second.