undoubting

Prosper therefore, with undoubting heart despising the rabble of the wise.

Such was the success of this ultimate resort on my part, upon which I had built with such undoubting confidence.

Neither assurance nor bashfulness; newspaper print; aid an undoubting air of contentment.

The very fact that others thought ill made it all the more incumbent upon me to be steadfast and undoubting.

This doctrine descends to us from the time of Adam Smith, and has generally received the undoubting assent of his followers.