acknowledge - definition and synonyms

verb [transitive] 

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present tense
present participleacknowledging
past tenseacknowledged
past participleacknowledged
  1. 1
    to accept or admit that something exists, is true, or is real

    He never acknowledges his mistakes (=admits that he has made them).

    acknowledge that:

    She won’t acknowledge that there’s a problem.

    1. a.
      [usually passive] to know or recognize that someone or something is important
      acknowledge something as being/to be something:

      Wimbledon is widely acknowledged as being the premier tennis tournament.

  2. 2
    to let someone know that you have received something they sent you

    Unfortunately, we cannot acknowledge all the letters we receive.

    acknowledge receipt of something:

    We will acknowledge receipt of your order if requested.

    1. a.
      to thank someone for something they have done or given you, especially in writing or by saying it publicly

      We gratefully acknowledge the contributions of everyone who helped us.

  3. 3
    to show that you have seen someone or that you recognize them, for example by smiling or speaking to them

    They barely acknowledge each other in public.

    acknowledge someone’s presence:

    James acknowledged his lawyer’s presence with a small nod.

    1. a.
      to show that you are grateful to people who are clapping or cheering for you by waving your hand, nodding your head etc

      She stood back and acknowledged the applause of the crowd.