n.[U][C]

1. 确定；确证；批准
   I think I can come next Tuesday, but I will send you a confirmation by post.

   我想下星期二可以来，不过我会写信把肯定的答复告诉你。

   Evidence in confirmation of his statements is lacking.

   缺少可证实他所言的证据。

2. 【宗】（天主教等的）坚信礼，坚振礼

n.

1. the action of confirming or state of being confirmed.
2. (in the Christian Church) the rite at which a baptized person affirms Christian belief and is admitted as a full member of the Church.
3. the Jewish ceremony of bar mitzvah.