IMPECCABILITY
impeccability
(noun) the quality of being exempt from sin or incapable of sinning
faultlessness, impeccability
(noun) the quality of being without an error or fault
Source: WordNet® 3.1
Etymology
Noun
impeccability (usually uncountable, plural impeccabilities)
The property of being impeccable.
Source: Wiktionary
Im*pec`ca*bil"i*ty, n. Etym: [Cf. F. impeccabilité.]
Definition: the quality of being impeccable; exemption from sin, error, or
offense.
Infallibility and impeccability are two of his attributes. Pope.
Source: Webster’s Unabridged Dictionary 1913 Edition