Word for the Week: confidence

con·fi·dence

Function: noun
1 a : a feeling or consciousness of one's powers or of reliance on one's circumstances b : faith or belief that one will act in a right, proper, or effective way
2 : the quality or state of being certain : CERTITUDE
3 a : a relation of trust or intimacy b : reliance on another's discretion c : support especially in a legislative body
4 : a communication made in confidence : SECRET

Source: http://www.merriamwebster.com/dictionary/confidence