confirmation · noun C or U /ˌkɑn.fərˈmeɪ.ʃən/Full view
Nouns: confirmation
Adjectives: confirmed, unconfirmed
Verbs: confirm
B2 a statement, often written, that an arrangement or meeting is certain
Dictionary examples:

a letter of confirmation

We've only had five confirmations for the conference so far.

We will send you written confirmation of our offer shortly.

Learner example:

I look forward to receiving your confirmation. (First Certificate in English; B2; Italian)

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