Impeccability(n.) the quality of being impeccable; exemption from sin, error, or offense.
Impeccable(a.) Not liable to sin; exempt from the possibility of doing wrong.
Impeccable(n.) One who is impeccable; esp., one of a sect of Gnostic heretics who asserted their sinlessness.
Impeccancy(n.) Sinlessness.
Impeccant(a.) Sinless; impeccable.
Words within impeccant