n. 1. The condition of being exact; accuracy; nicety; precision; regularity; as, exactness of judgement or deportment. [ 1913 Webster ]
2. Careful observance of method and conformity to truth; as, exactness in accounts or business. [ 1913 Webster ]
He had . . . that sort of exactness which would have made him a respectable antiquary. Macaulay. [ 1913 Webster ]