Confidence definition, full trust; belief in the powers, trustworthiness, or reliability of a person or thing: We have every confidence in their ability to succeed. See more. Thumbnails. Backward. First. Previous Page. Next Page. Last. Forward. More. Search. Search. Ads. American English File Second Edition retains the popular methodology developed by world-renowned authors Christina Latham-Koenig and Clive Oxenden: language +. Something within a person (as need, idea, . . . or emotion) that incites him to act. Motivation then is a strong desire to act — to achieve something that has valence for us (something we want). As Psychology Today states, motivation is literally the desire to do things. It comes from our needs, values, and goals. Motivation, simply put, is the ability to anticipate future success for a task at hand. Feeling successful rewards us with positive feelings, which provide the impetus for us to initiate and maintain the effort that would carry us through challenges. Confidence comes from having experienced a series of successes.. the belief that you can do things well and that other people respect you: Despite his success, he still seems to lack self-confidence socially. See self-confident More examples Adam had a defiance and self-confidence that were very appealing. It's been proven that dance helps boost self-confidence and make people happy.