Noun
The quality of being just; conformity to truth, propriety, accuracy, exactness, and the like; justice; reasonableness; fairness; equity; as, justness of proportions; the justness of a description or representation; the justness of a cause.
Source: Webster's dictionaryA friend should be one in whose understanding and virtue we can equally confide, and whose opinion we can value at once for its justness and its sincerity. Robert Hall
Surrey, for his justness of thought, correctness of style, and purity of expression, may justly be pronounced the first English classical poet. Henry Howard, Earl of Surrey
Most maxim-mongers have preferred the prettiness to the justness of a thought, and the turn to the truth but I have refused myself to everything that my own experience did not justify and confirm. Philip Stanhope, 4th Earl of Chesterfield
it was performed with justness and beauty Source: Internet
According to Khaled Abou El Fadl martyrdom is within God's exclusive province; only God can assess the intentions of individuals and the justness of their cause, and ultimately, whether they deserve the status of being a martyr. Source: Internet
He told his men that he would rather die in the coming battle than be captured and ransomed.sfn Henry made a speech emphasising the justness of his cause, and reminding his army of previous great defeats the kings of England had inflicted on the French. Source: Internet