What part of speech is speculation?

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

* Noun: This is the most common usage. It refers to the act of forming opinions or theories about something without sufficient evidence.

* Example: "There's a lot of speculation about the cause of the accident."

* Verb: This is less common but still valid. It means to form opinions or theories about something without sufficient evidence.

* Example: "I'm speculating that the stock market will rise next week."

Let me know if you'd like an example sentence for a specific usage of "speculation"!