Noah Webster's Dictionary 1. (n.) The condition of being exact; accuracy; nicety; precision; regularity; as, exactness of judgment or deportment. 2. (n.) Careful observance of method and conformity to truth; as, exactness in accounts or business.

Multi-Version Concordance Exactness (1 Occurrence) Acts 22:3 I am a Jew, born in Tarsus of Cilicia, but brought up in this city, at the feet of Gamaliel, educated according to the exactness of the law of our fathers, being zealous for God, as ye are all this day; (DBY)