'acknowledgement' definitions:

The state or quality of being recognized or acknowledged; "the partners were delighted with the recognition of their work"; "she seems to avoid much in the way of recognition or acknowledgement of feminist work prior to her own" [syn: recognition, acknowledgment, acknowledgement]

A statement acknowledging something or someone; "she must have seen him but she gave no sign of acknowledgment"; "the preface contained an acknowledgment of those who had helped her" [syn: acknowledgment, acknowledgement]