definition of
acknowledgement

[1] #1 acknowledgement n. [recognition, acknowledgment] 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". wn

[2] #2 acknowledgement n. [acknowledgment] 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". wn