con·fi·dent 
(kŏnfĭ-dənt)
(kŏnfĭ-dənt)adj.
1. Feeling or showing certainty, as of success: was confident that the venture would be profitable.
2. Feeling or showing confidence in oneself; self-assured: a confident driver. See Synonyms at sure.
3. Obsolete Confiding; trustful.
[Latin cōnfīdēns, cōnfīdent-, present participle of cōnfīdere, to rely on; see CONFIDE.]
confi·dent·ly adv.