Possible Clues:

• It's all very fine for the senior
• That's all very fine for the bar
• This courtly senior is of smooth stuff and is a smooth talker
• Lawyer, first of special sort
• Fabric made from fine threads of certain worm
• Fabric obtained from the cocoon of a worm
• Scarf fabric
• Fabric from larvae
• Fabric from fibre made by 'worm'
• Spun stuff