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