* Noun: This is the most common use. It refers to the act of treating something or someone, or the method used for treating.
* Example: "The doctor recommended a new treatment for his illness."
* Verb: It can act as a verb meaning "to treat" or "to deal with."
* Example: "She treated him with kindness."
* Adjective: Less common, but it can describe something related to treating or a specific treatment.
* Example: "He received treatment for his broken leg."
To determine the correct part of speech, you need to consider the context of the sentence.