acknowledgement acknowledgement /əkˈnɒlɪdʒmənt/

noun

1. A statement acknowledging something or someone  ( acknowledgement , acknowledgment )
   a statement acknowledging something or someone
    She must have seen him but she gave no sign of acknowledgment
   she must have seen him but she gave no sign of acknowledgment
    The preface contained an acknowledgment of those who had helped her
   the preface contained an acknowledgment of those who had helped her
   
2. The state or quality of being recognized or acknowledged  ( acknowledgement , acknowledgment , recognition )
   the state or quality of being recognized or acknowledged
    The partners were delighted with the recognition of their work
   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
   she seems to avoid much in the way of recognition or acknowledgement of feminist work prior to her own