acknowledge

ac|knowl|edge [ ək`nalıdʒ ] verb transitive ***

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.

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. ) 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.

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

We gratefully acknowledge the contributions of everyone who helped us.

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.

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.