confirmation
//ˌkɒnfəˈmeɪʃən//
Noun
confirmationSingular
confirmationsPlural
1
The action of confirming something or the state of being confirmed; verification or proof that something is true, accurate, or valid.
We are waiting for confirmation that the payment has been received.
2
A formal statement or document that verifies or establishes the truth of something.
Please send a written confirmation of your booking.
3
A religious ceremony in which a baptized person affirms Christian belief and is admitted as a full member of the church.
She received her confirmation at the age of fourteen.
4
The act of making something definite or establishing it more firmly.
The confirmation of the contract will take place next week.