Related Clues:

• Good humor man?
• Mental acuity
• Dorothy Parker, for one
• Wilde forte
• Dorothy Parker had it
• Acumen
• Swift gift
• Ad-libber's asset
• Funny person
• Comedian's asset
• Jon Stewart asset
• Talent for banter
• ''Educated insolence,'' to Aristotle
• Humour
• Punster, for one