[con.fir.ma.tion] n (14c) 1: an act or process of confirming: as a (1): a Christian rite conferring the gift of the Holy Spirit and among Protestants full church membership (2): a ceremony esp. of Reform Judaism confirming youths in their faith b: the ratification of an executive act by a legislative body
2. a: confirming proof: corroboration b: the process of supporting a statement by evidence -- con.fir.ma.tion.al adj