Read the dictionary definition of qualified. All definitions for this word.
1. contingent on something else
2. restricted in meaning; (as e.g. `man' in `a tall man')
3. meeting the proper standards and requirements and training for an office or position or task
1. many qualified applicants for the job
4. limited or restricted; not absolute
1. gave only qualified approval
5. holding appropriate documentation and officially on record as qualified to perform a specified function or practice a specified skill
1. a registered pharmacist
2. a registered hospital