Noun
Freedom from doubt; assurance; certainty.
Source: Webster's dictionaryCertitude is not the test of certainty. We have been cocksure of many things that were not so. Oliver Wendell Holmes Jr.
Objective evidence and certitude are doubtless very fine ideals to play with, but where on this moonlit and dream-visited planet are they found. William James
On the other hand, for the whole human being who wills, feels, and represents, external reality is given simultaneously and with as much certitude as his own self. Wilhelm Dilthey
With the certitude of a true believer, Vellya Paapen had assured the twins that there was no such thing in the world as a black cat. He said that there were only black cat chaped holes in the universe. Arundhati Roy
She always dressed well, but he recognized the signs of insecurity; certitude was inversely proportional to the amount of makeup. Gregory Benford
You cannot fight unreason, and as these dead multitudes will tell you - are telling you right now - certitude is the enemy. Steven Erikson