flattery

她对他的奉承话只是礼貌地笑了笑，心里并不当真。

She smiled politely at his ___flattery, but didn't take it seriously.

老板识破了他的阿谀奉承，知道那些恭维话只是为了升职加薪。

The boss saw through his ___flattery and knew those compliments were just for a promotion.