Acknowledgment (noun)

The act of acknowledging or accepting the existence, validity, or legality of something.

Origin:

Late middle english: from old french acknowledge(ment), from a- (from latin ad "to, at") + medieval latin cognoscimentum, from cognoscere "know".

Examples:

1. The author thanked the publisher for their acknowledgment of his work.
2. The government issued an acknowledgment of the treaty.
3. The school gave an acknowledgment to the donors for their contribution.
4. The committee gave an acknowledgment to the volunteers for their hard work.
5. The company gave an acknowledgment to the employees for their dedication.