noun

• Steadfast adherence to a strict moral or ethical code.
• The state of being wholesome; unimpaired
• The quality or condition of being complete; pure
• (cryptography) With regards to data encryption, ensuring that information is not altered by unauthorized persons in a way that is not detectable by authorized users.
• (aviation) The ability of systems to provide timely warnings to users when they should not be used for navigation.
• Trustworthiness; keeping one's word.