How to call someone an idiot without pissing them off.

• "You speak your mind, and I'm in awe of your nugacity."
• "Wow, that's an absolutely ingenuous idea!"
• "I could have given this assignment to any of your coworkers, but your hebetudinous intellect make you a perfect fit for this project."
• "I can tell by your critical thinking skills that you must come from a fine Sottish heritage."
• "Come on, you're made of tougher stuff. Grit your teeth and take it like ament!"