Collocations for confirmation - noun

additional, further
Practically every new piece of documentary evidence provides additional confirmation that the charges are true.

independent
direct
final
email, verbal, visual, written
judicial (AmE), official
experimental, laboratory (both technical)
Our data provide experimental confirmation of these predictions.

ask for
need, require
seek
The police are seeking independent confirmation of certain details of the story.

await, wait for
get, have, obtain, receive
give sb, provide (sb with)

come
Written confirmation came three days later.

hearing (AmE)

in confirmation
She nodded in confirmation.

confirmation in writing (BrE)
We need confirmation in writing before we can send your order out.

subject to confirmation