1. (a.) In exact or careful conformity to truth, or to some standard\ of requirement, the result of care or pains; free from failure, error, or defect; exact; as, an accurate calculator; an accurate measure; accurate expression, knowledge, etc.

2. (a.) Precisely fixed; executed with care; careful.

OK absolute all right appreciative attentive authentic careful close conscientious correct critical dead right delicate demanding dependable detailed differential discriminate discriminating discriminative distinctive distinguishing exact exacting exigent exquisite fastidious faultless fine finical finicking finicky flawless fussy just just right letter-perfect meticulous minute narrow nice okay on the mark particular perfect precise precisianistic precisionistic proper punctilious punctual refined reliable religious right rigid rigorous scrupulous scrutinizing selective sensitive straight straight-up-and-down strict subtle tactful unerring