Possible Clues:

• Able to speak readily
• Complaint NHS dept is well able to interpret
• (Highly proficient) in a foreign language
• Smooth in speech
• Linguistically gifted
• Spoken with facility
• Competent (of language) - graceful (of movement)
• Speaking easily after illness is laryngologist's department
• Good at speaking (a foreign language?)
• Able to speak well of hospital department after illness