UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/əkˈnɒlɪdʒmənt/US:USA pronunciation: IPA and respellingUSA pronuncation: IPA/ækˈnɑlɪdʒmənt/ ,USA pronunciation: respelling(ak nolij mənt)

WordReference Random House Learner's Dictionary of American English © 2020
ac•knowl•edg•ment /ækˈnɑlɪdʒmənt/USA pronunciation   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 © 2020
ac•knowl•edg•ment  (ak nolij mənt),USA pronunciation 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.
    • Lawan official certificate of a formal acknowledging.
    • public recognition by a man of an illegitimate child as his own.
Also,[esp. Brit.,] ac•knowledge•ment. 
  • acknowledge + -ment 1585–95

Collins Concise English Dictionary © HarperCollins Publishers::
acknowledgment, acknowledgement /əkˈnɒlɪdʒmənt/ n
  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 use of the works of other authors, usually printed at the front of a book
'acknowledgment' also found in these entries (note: many are not synonyms or translations):

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