confident
adjective
having or marked by confidence or assurance
“a confident speaker”
“a confident reply”
Oppositesdiffidentpersuaded of; very sure
“were convinced that it would be to their advantage to join”
“I am positive he is lying”
not liable to error in judgment or action
“most surefooted of the statesmen who dealt with the depression”
“demonstrates a surefooted storytelling talent”
Source: WordNet 3.1, Princeton University
