What part of speech is acknowledge?

"Acknowledge" can be a few different parts of speech depending on how it's used in a sentence:

* Verb: The most common usage. Example: "I acknowledge your hard work."

* Noun: This is less common, but it refers to the act of acknowledging. Example: "The company's acknowledgement of the issue was appreciated."

* Adjective: Even rarer, this means something that is acknowledged. Example: "The book is an acknowledged classic."

Let me know if you have a specific sentence in mind and I can help you determine the part of speech!