* To lengthen: This means to make something longer.
* Example: "She lengthened the skirt by adding a ruffle."
* To prolong: This means to make something last longer.
* Example: "They prolonged their vacation by a few days."
* To yearn: This means to have a strong desire or longing for something.
* Example: "She yearned for the days when she was a child."
Let me know if you have a specific sentence in mind, and I can help you choose the best verb!