ACCURACY n.
efulness; exact conformity to truth, or to a rule or model; precision; exactness; nicety; correctness; as, the value of testimony depends on its accuracy. The professed end [of logic] is to teach men to think, to judge, and to reason, with precision and accuracy. Reid. The accuracy with which the piston fits the sides.…
FAULTLESS a.
Without fault; not defective or imperfect; free from blemish; free from incorrectness, vice, or offense; perfect; as, a faultless poem. Whoever thinks a faultless piece to see, Thinks what ne'er was, nor is, nor e'er shall be. Pope.
PROVE v.
To test, evince, ascertain, or verify, as the correctness of any operation or result; thus, in subtraction, if the difference between two numbers, added to the lesser number, makes a sum equal to the greater, the correctness of the subtraction is proved.