[ noun ] freedom from doubt; belief in yourself and your abilities
"his assurance in his superiority did not make him popular" "after that failure he lost his confidence" "she spoke with authority"
Used in print(Kenneth Allsop, The Bootleggers and Their Era...)
In the past year there had been too many examples of his euphoric self-confidence and self_aggrandisement for their liking .(Jim Thompson, The Transgressors....)
Just a big pile of self-confidence in an almost teensy package .