The quality of being exact:
— A man of great exactitude.

synonym: exactness.

Roget 494: fact, reality etc. (existence) 1; plain fact, plain matter of fact; nature etc. (principle) 5; truth, verity; gospel, gospel truth, God's honest truth; orthodoxy etc. 983.1; authenticity; veracity etc. 543; correctness, correctitude^†.    accuracy, exactitude; exactness, preciseness etc. adj.; precision, delicacy; rigor, mathematical precision, punctuality; clockwork precision etc. (regularity) 80; conformity to rule; nicety.    orthology^†; ipsissima verba [Lat.]; realism.    plain truth, honest truth, sober truth, naked truth, unalloyed truth, unqualified truth, stern truth, exact truth, intrinsic truth; nuda veritas [Lat.]; the very thing; not an illusion etc. 495; real Simon Pure; unvarnished tale, unvarnished truth; the truth the whole truth and nothing but the the truth the whole truth and nothing but the truth; just the thing.    ... show more

Dutch: juistheid
Polish: akuratność