noun (n)

• accuracy with which an electronic system reproduces the sound or image of its input signal(noun.attribute)

  source: wordnet30
• the quality of being faithful(noun.attribute)

  Synonym:
  faithfulness
  Antonym:
  infidelity, unfaithfulness
  

  source: wordnet30
• Faithfulness; adherence to right; careful and exact observance of duty, or discharge of obligations.(noun)

  source: webster1913