Ir're-prōach'a-ble, a.

a. [Prefix in, not, and reproachable: Fr. irréprochable.] Incapable of being justly reproached; free from blame; upright; innocent.

He [Berkeley] erred, — and who is free from error? — but his intentions were irreproachable, and his conduct as a man and a Christian did honor to human nature. Beattie.