Check out this great article on Trust by Tristan Loo (excerpt below, click on the link above for the whole article):

The word trust comes from the German word “trost” which means comfort. Trust is having the confidence or faith in another person to do what they say they will do. It means believing in the honesty and the reliability of that other person. Trust is a core component of any relationship and a crucial factor in leadership. There are fifteen core components of trust. These are: