Here's how it functions:
* Noun: A spectacle is a public display or performance, often something impressive or extraordinary.
* Example: "The fireworks display was a spectacular spectacle."
While "spectacle" can be used in other grammatical contexts, it's not typically used as an adjective or verb.
* Adjective: You might use "spectacular" as an adjective meaning impressive or magnificent.
* Example: "The view from the mountaintop was spectacular."
* Verb: There's no common verb form of "spectacle."
Let me know if you have any other words you'd like to explore!