Confidence
state of being certain either that a hypothesis or prediction is correct or that a chosen course of action is the best or most effective / From Wikipedia, the free encyclopedia
Confidence is a the emotion of someone being happy of what they know, look like and feel like. A positive example, could be someone being happy of how and what they look like.[1] A negative example can be someone thinking too much of themselves where they act rude and better than everyone else.[2]