What is a verb for Expertise?

There isn't a single perfect verb that directly means "to expertise." However, depending on the context, you can use various verbs to convey the idea of expertise, such as:

General verbs:

* Master: "She mastered the art of pottery."

* Specialize: "He specializes in cybersecurity."

* Excel: "They excel in financial planning."

* Proficient: "She is proficient in using the software."

* Know: "He knows a lot about ancient history."

* Understand: "She understands the intricacies of the legal system."

More specific verbs:

* Demonstrate: "He demonstrated his expertise in coding."

* Exhibit: "The artist exhibited her expertise in painting."

* Apply: "She applied her expertise to solve the problem."

* Leverage: "He leveraged his expertise to secure the deal."

* Utilize: "The company utilized her expertise to improve their marketing strategy."

The best verb to use depends on the specific context and what you want to emphasize about the expertise.