What does acknowledgement mean?
Acknowledgement is the act of recognising, accepting, or admitting that something is true, real, or has occurred. It can refer to a mental acceptance of a fact, a public expression of gratitude or credit, or a formal confirmation that a message or document has been received. In everyday use it appears in phrases such as 'in acknowledgement of her contribution', where it signals appreciation, and in academic papers, where an acknowledgements section thanks those who supported the work. The word is generally neutral in tone but often carries a positive sense of respect or gratitude when applied to people's efforts. British English typically spells it with an extra 'e' ('acknowledgement'), whereas American English prefers 'acknowledgment'. Because it bridges the personal (admitting a fault) and the institutional (confirming receipt of a letter), acknowledgement is a versatile term valued in both formal writing and ordinary conversation for conveying recognition honestly and gracefully.
nounThe act of recognizing or admitting the existence, truth, or validity of something; also a statement or gesture expressing gratitude or receipt of something.
- Acceptance of the truth or existence of something (e.g. an admission of a fact or fault).
- Recognition or appreciation of someone's contribution, effort, or status.
- A formal statement confirming receipt of something (e.g. a letter or message).
"She nodded in acknowledgement of his help."
"He finally made an acknowledgement of his mistake and apologised."
"The paper opens with an acknowledgement of the funding bodies that supported the research."
The plural is especially common in academic publishing, where the 'acknowledgements' section lists people or organisations thanked for their support.
"The book's acknowledgements thank dozens of researchers who contributed data."
Whether you spell it with an 'e' after the 'g' depends on which side of the Atlantic you learned to write on.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of acknowledgement
Acknowledgement derives from the verb 'acknowledge', formed in Middle English by combining the prefix 'ac-' (an intensifying form related to Old English 'on-') with 'know', from Old English 'cnāwan', meaning to know or recognise. The noun form emerged later as a way of expressing the act of acknowledging. Its Germanic root connects it to words like 'can' and 'cunning', all stemming from the same ancient base meaning knowledge or perception.
How acknowledgement is actually used
In British English the spelling is typically 'acknowledgement', while American English usually favours 'acknowledgment'. The word carries a neutral-to-positive connotation and is common in formal contexts such as academic writing, legal documents, and professional correspondence.
Easily confused with acknowledgement
'Acknowledgment' is the standard US spelling without the middle 'e', while 'acknowledgement' is the preferred British spelling — both mean the same thing.