laugh off
laugh away

Age was the great enemy to be laughed away.

"Do you see those two males laughing loudly a few tables away?"

Although the seizures that came upon him were harmless enough, they could not be laughed away.

So we lay there absolutely silent, holding each other's hands, and eventually they went away laughing.

We could hear the family west of us laughing and clubbing away.

But for the Rockies, the pain is real and cannot be laughed away.

And when she merely laughed that one away, he said something else.

She laughed in her firelit bedroom all those miles away.

What forms might emerge if this convention were laughed away?

And he shuffles up the lane laughing away to himself.