noun. The state or condition of being exact; strict conformity to what is required; accuracy; nicety; precision: as, to make experiments with exactness; exactness of method.

noun. The condition of being exact; accuracy; nicety; precision; regularity.

noun. Careful observance of method and conformity to truth.

noun. The state of being exact

noun. the quality of being exact

"In so far as a science of geometry is possible at all, the exactness, which is its essential characteristic, is only {11} attainable by starting from data which are in themselves impossible, as of a point which has no magnitude, of a line which has no breadth, of a surface which has no thickness."

inexactness  

accuracy  definiteness  precision  strictness  

accuracy  truth  

minuteness  preciseness  precision  trueness  

accuracy  candour  clearness  completeness  correctness  

absoluteness  accuracy  accuracy  attention to detail  attention to fact  

exact