Formal:
* Competent: This is a general term for being able to do something well.
* Qualified: This specifically refers to having the necessary skills, knowledge, or experience for a particular job or task.
* Suitable: This implies that the person is appropriate and fitting for the position.
* Adequate: This means the person meets the minimum requirements, though they may not be outstanding.
* Capable: This indicates the person has the ability to perform the necessary tasks.
Informal:
* Up to the task: This implies the person is ready and able to handle the challenge.
* Fit for the job: This is a straightforward way of saying they are qualified.
* Ready to go: This suggests the person is prepared and eager to start.
Other options:
* Aptitude: This refers to a natural talent or ability.
* Expertise: This means having a high level of skill and knowledge in a particular area.
* Proficiency: This indicates a high level of skill and competence.
The best word to use will depend on the context and the specific meaning you want to convey.