The word atonement, which is almost the only theological term of English origin, has a curious history. The verb "atone", from the adverbial phrase "at one" (M.E. at oon), at first meant to reconcile, or make "at one"; from this it came to denote the action by which such reconciliation was effected, e. g. satisfaction for all offense or an injury. Hence, in Catholic theology, the Atonement is the Satisfaction of Christ, whereby God and the world are reconciled or made to be at one. "For God indeed was in Christ, reconciling the world to himself" (II Cor., v, 19). The Catholic doctrine on this subject is set forth in the sixth Session of the Council of Trent, chapter ii. Having shown the insufficiency of Nature, and of Mosaic Law the Council continues:

Whence it came to pass, that the Heavenly Father, the Father of mercies and the God of all comfort (II Cor., 1, 3), when that blessed fullness of the time was come (Gal., iv, 4) sent unto men {ln:Jesus} Christ, His own Son who had been, both before the Law and during the time of the Law, to many of the holy fathers announced and promised, that He might both redeem the Jews, who were under the Law and that the Gentiles who followed not after justice might attain to justice and that all men might receive the Adoption of sons. Him God had proposed as a propitiator, through faith in His blood (Rom., iii, 25), for our sins, and not for our sins only, but also for those of the whole world (I John ii, 2).

The great doctrine thus laid down in the beginning was further unfolded and brought out into clearer light by the work of the Fathers and theologians. And it may be noted that in this instance the development is chiefly due to Catholic speculation on the mystery, and not, as in the case of other doctrines, to controversy with heretics. At first we have the central fact made known in the Apostolic preaching, that mankind was fallen and was raised up and redeemed from sin by the blood of Christ. But it remained for the pious speculation of Fathers and theologians to enter into the meaning of this great truth, to inquire into the state of fallen man, and to ask how Christ accomplished His work of Redemption. By whatever names or figures it may be described, that work is the reversal of the Fall, the blotting out of sin, the deliverance from bondage, the reconciliation of mankind with God. And it is brought to pass by the Incarnation, by the life, the sufferings, and the death of the Divine Redeemer. All this may be summed up in the word Atonement. This, is so to say, the starting point. And herein all are indeed at one. But, when it was attempted to give a more precise account of the nature of the Redemption and the manner of its accomplishment, theological speculation took different courses, some of which were suggested by the various names and figures under which this ineffable mystery is adumbrated in Holy Scripture. Without pretending to give a full history of the discussions, we may briefly indicate some of the main lines on which the doctrine was developed, and touch on the more important theories put forward in explanation of the Atonement. +