Related Clues:

• Convincing and compelling
• Powerfully persuasive, argument say
• 'Powerfully persuasive, argument say (6)'
• 'Silver-tongued, fluent (8)'
• 'Clear and logical, argument say (6)'
• Mass-producing, in a manner of speaking
• The argument might be so strong that he's a company man
• The convincing fellow for the firm
• One gets a lots of this, in a manner of speaking
• Can deliver in quantity, in a manner of speaking
• He's a good company man to produce such a convincing argument
• Going on and on in a manner of speaking
• The argument is convincing that he is a company man
• As a company man he is convincing
• Having a lot to give, in a manner of speaking