Here are some examples:
* "The ocean swell was impressive, making the surfers excited." (Here, "swell" refers to a wave or a series of waves)
* "There was a swell of support for the new policy." (Here, "swell" refers to an increase or surge)
* "The party was a swell!" (Here, "swell" is informal slang for something excellent)
It's important to note that the meaning of "swell" as a noun can vary depending on the context.