The quality of being near to the true value:
— He was beginning to doubt the accuracy of his compass.

synonym: truth.

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

Roget 459: care, solicitude, heed; heedfulness etc. adj.; scruple etc. (conscientiousness) 939.    watchfulness etc. adj.; vigilance, surveillance, eyes of Argus^†, watch, vigil, look out, watch and ward, loeil du maitre [Fr.].    alertness etc. (activity) 682; attention etc. 457; prudence &c., circumspection etc. (caution) 864; anxiety; forethought etc. 510; precaution etc. (preparation) 673; tidiness etc. (order) 58, (cleanliness) 652; accuracy etc. (exactness) 494; minuteness, attention to detail.    ... show more

Dutch: echtheid, waarheid, preciesheid, accuratesse, precisie, nauwkeurigheid, correctheid
Polish: dokładność

mathematics The number of significant figures given in a number.