Related Clues:

• Large within and without, turning smooth
• Good old-style politician, smooth-tongued
• Casually fluent
• Grand old politician with the gift of the gab
• Superficially plausible at first, Green's lying is busted
• Slippery in speech
• Slick with a reply
• Fluent and plausible
• Marked by ease
• Like a slick talker
• Conversationally slick
• Smooth and superficial, talk-wise
• Shallow and largely fake — bigly!
• Pat of butter in large glass, just starting to turn
• A little too silky, maybe