1
general::
noun ADJ. further | independent | direct | final | official, written VERB + CONFIRMATION 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) CONFIRMATION + VERB come Written confirmation came three days later. PREP. in ~ She nodded in confirmation. PHRASES confirmation in writing We need confirmation in writing before we can send your order out.
Oxford Collocations Dictionary