What does absolution mean?
The definition of absolution
Ab`so*lu”tion, n.
Etym: [F. absolution, L. absolutio, fr. absolvere to absolve. See Absolve.]

1 An absolving, or setting free from guilt, sin, or penalty; forgiveness of an offense. “Government . . . granting absolution to the nation.” Froude.
2 (Civil Law)
An acquittal, or sentence of a judge declaring and accused person innocent. [Obs.]
3 (R. C. Ch.)
The exercise of priestly jurisdiction in the sacrament of penance, by which Catholics believe the sins of the truly penitent are forgiven.

Note: In the English and other Protestant churches, this act regarded as simply declaratory, not as imparting forgiveness.

4 (Eccl.)
An absolving from ecclesiastical penalties, — for example, excommunication. P. Cyc.
5 The form of words by which a penitent is absolved. Shipley.
6 Delivery, in speech. [Obs.] B. Jonson. Absolution day (R. C. Ch.), Tuesday before Easter.