Cases of word usage

1) having or showing a great deal of confidence (assertive)

2) a statement (e.g. a promise) made to give confidence (assurance)

3) to say something to (a person) positively, with confidence (assure)

4) feeling or showing confidence (confident)

5) a confidence of members of a business, club, political party etc (convention)

6) the state of not having confidence in oneself (diffidence)

7) to upset the calmness or confidence of (a person) (disconcert)

8) (to try) to take away the courage or confidence of (a person) (discourage)

9) cause (a person) to lose courage or confidence (dishearten)

10) discouraged; without confidence (dispirited)