confirmation

n. [ F. confirmation, L. confirmatio. ] 1. The act of confirming or strengthening; the act of establishing, ratifying, or sanctioning; as, the confirmation of an appointment. [ 1913 Webster ]

Their blood is shed
In confirmation of the noblest claim. Cowper. [ 1913 Webster ]

2. That which confirms; that which gives new strength or assurance; as to a statement or belief; additional evidence; proof; convincing testimony. [ 1913 Webster ]

Trifles light as air
Are to the jealous confirmations strong
As proofs of holy writ. Shak. [ 1913 Webster ]

3. (Eccl.) A rite supplemental to baptism, by which a person is admitted, through the laying on of the hands of a bishop, to the full privileges of the church, as in the Roman Catholic, the Episcopal Church, etc. [ 1913 Webster ]

This ordinance is called confirmation, because they who duly receive it are confirmed or strengthened for the fulfillment of their Christian duties, by the grace therein bestowed upon them. Hook. [ 1913 Webster ]

4. (Law) A conveyance by which a voidable estate is made sure and not voidable, or by which a particular estate is increased; a contract, express or implied, by which a person makes that firm and binding which was before voidable. [ 1913 Webster ]