Fidelity

4 clues
Accuracy
Faithfulness
Loyal highness
Tidy file (anag)
Similar answers:
Ability
Ablepersonality
Acaseofidentity
Actuality
Adestefideles
Agility
Airquality
Airqualityindex
Altrealitygames
Amicability
Amicility
Amorality
Andsensibility
Anility
Approachability
Artisticability
Asortofequality
Atonality
Banality
Belovedinfidel