What is Confirmation?
It is a Sacrament conferred upon the Baptized by a Bishop, in which grace is conferred through the Holy Chrism and the most holy words, and a fortification of the Spirit is added, both to firmly believe, and when it might be necessary, to freely confess the name of the Lord.
[St. Peter Canisius, A Small Catechism for Catholics, Grant, tr., Mediatrix Press (2014), p. 59.]
