n. The state or condition of being unimpeachable; blamelessness.
The Century Dictionary and Cyclopedia
n. The character of being unimpeachable, or not open to objection or criticism; blamelessness.
Word Usage
"The unimpeachability of his form is always balanced by the palpability of his sound, the miracle of his sound mixtures, the resoluteness of his energy, the living spirit, the heartbeat, the unsentimental warmth of his feeling."