correct,
right free from error; especially conforming to fact or truth; "the correct answer"; "the correct version"; "the right answer"; "took the right road"; "the right decision"
quality an essential and distinguishing attribute of something or someone; "the quality of mercy is not strained"--Shakespeare
rightness -
appropriate conduct; doing the right thing
conformance,
conformity acting according to certain accepted standards; "their financial statements are in conformity with generally accepted accounting practices"