Accuracy, or exact correspondence to some given quality or fact.
Faithfulness to one's duties.
Loyalty to one's spouse or partner, including abstention from cheating or extramarital affairs.
The degree to which a system accurately reproduces an input.
The art of dressing up; imposture.
Artifice; the use of one or more stratagems.
Deception or underhanded behavior.
An instance of deception, underhanded behavior, dressing up, imposture, artifice, etc.