Related Clues:

• Lucid state
• Convincing information for son in price
• Loud child, oddly easy to understand
• Readily understood
• Sensible being held back by ridicule
• Very convincing businessman?
• Persuasive man in business?
• E.g. paintings I arrange, switching right to left to make meaning clear
• Clearly argued
• Compelling information carried by trigonometric function
• Lecturer from college overshadows one in possession in one's faculties
• Clear, logical and convincing
• Convincing firm to take on one of the chaps formally
• Express coherently
• Convincing (argument)