• (RP) IPA: /əkˈnɒ.lɪdʒ/
• (America) IPA: /ækˈnɑː.lɪdʒ/, [əkˈnɑːlədʒ], [ɨkˈnɑːlɨdʒ], [əɡˈnɑːlədʒ], [ɨɡˈnɑːlɨdʒ]

acknowledge (acknowledges, present participle acknowledging; past and past participle acknowledged)

1. (transitive) To admit the knowledge of; to recognize as a fact or truth; to declare one's belief in

   to acknowledge the being of a god

   • 1611, King James Version, Psalm 51:3

     I acknowledge my transgressions.

   • 1849, Thomas Macaulay, The History of England from the Accession of James II, Chapter 1

     For ends generally acknowledged to be good.

2. To own or recognize in a particular quality, character or relationship; to admit the claims or authority of; to give recognition to.
   • 1611, King James Version, Proverbs 3:6

     In all thy ways acknowledge Him.

   • c. 1595, William Shakespeare, Romeo and Juliet, III-v

     By my soul, I'll ne'er acknowledge thee.

3. To be grateful of (e.g. a benefit or a favour)

   to acknowledge a favor

   • 1667, John Milton, “Book XI”, in Paradise Lost. A Poem Written in Ten Books, London: Printed [by Samuel Simmons], and are to be sold by Peter Parker […] [a]nd by Robert Boulter […] [a]nd Matthias Walker, […], OCLC 228722708 ↗; republished as Paradise Lost in Ten Books: The Text Exactly Reproduced from the First Edition of 1667: […], London: Basil Montagu Pickering […], 1873, OCLC 230729554 ↗:

     They his gifts acknowledged none.

4. To report (the receipt of a message to its sender).

   This is to acknowledge your kind invitation to participate in the upcoming debate.

5. To own as genuine or valid; to assent to (a legal instrument) to give it validity; to avow or admit in legal form.

• avow, proclaim, recognize, own, admit, allow, concede, confess

• acknowledgment

• French: reconnaître
• German: zur Kenntnis nehmen, erkennen, bekennen
• Italian: riconoscere, ammettere
• Portuguese: reconhecer
• Russian: признава́ть
• Spanish: reconocer

• German: anerkennen
• Portuguese: reconhecer, admitir

• Portuguese: reconhecer

• French: accuser réception
• German: den Empfang bestätigen
• Portuguese: confirmar
• Russian: подтвержда́ть
• Spanish: acusar recibo

• Portuguese: reconhecer