Accuracy

noun

1. Conformity to fact.
2. Precision; exactness.
3. The ability of a measurement to match the actual value of the quantity being measured.
4. The condition or quality of being accurate; extreme precision or exactness; exact conformity to truth, or to a rule or model; correctness: as, the value of testimony depends on its accuracy; copies of legal instruments should be taken with accuracy.
5. Synonyms Accurateness, exactness, exactitude, precision, carefulness, care, niceness, nicety.