acknowledgment

UK: /əkˈnɒlɪdʒmənt/ US: /ækˈnɑlɪdʒmənt/ ,(ak nol′ij mənt)

WordReference Random House Learner's Dictionary of American English © 2025

ac•knowl•edg•ment /ækˈnɑlɪdʒmənt/   n. 

1. [uncountable* often: in + ~ (+ of)] the act of acknowledging.
2. a message testifying to the receipt of something:
   [countable] sent an acknowledgment that the gift had arrived.
3. [countable* often plural] a piece of writing in a book thanking the people who have helped the author.

Also,[esp. Brit.,] acˈknowl•edge•ment. 

WordReference Random House Unabridged Dictionary of American English © 2025

ac•knowl•edg•ment  (ak nol′ij mənt), n. 

1. an act of acknowledging.
2. recognition of the existence or truth of something:
   the acknowledgment of a sovereign power.
3. an expression of appreciation.
4. a thing done or given in appreciation or gratitude.
5. Law
   • a declaration before an official that one has executed a particular legal document.
   • Law an official certificate of a formal acknowledging.
   • public recognition by a man of an illegitimate child as his own.

Also,[esp. Brit.,] ac•knowl′edge•ment. 

• acknowledge + -ment 1585–95

Collins Concise English Dictionary © HarperCollins Publishers::

acknowledgment, acknowledgement / əkˈnɒlɪdʒmənt/ noun

1. the act of acknowledging or state of being acknowledged
2. something done or given as an expression of thanks, as a reply to a message, etc
3. (plural) an author's statement acknowledging his or her use of the works of other authors, usually printed at the front of a book