1) Well (adverb) - in a satisfactory or pleasing way.
* Example: "He did well in the exam."
2) Well (noun) - a deep hole in the ground that provides access to water.
* Example: "The farmer dug a new well in his field."
3) Well (verb) - to flow out or rise up, especially from a deep source.
* Example: "Tears welled up in her eyes."
4) Well (interjection) - used to express surprise, concern, or approval.
* Example: "Well, I never!"