sounding board

Instead she advises people to only use it as a sounding board for broad inspiration.

Since 2020, Mr Obama has been in regular touch with Ms Harris, providing counsel and serving as a sounding board whenever she's asked.

She is really smart about so many aspects of this business; she’s a sounding board for me.

Pelosi, according to a second source close to the congresswoman, made a point of being deferential to the president while serving as a sounding board for fellow concerned elected officials.

So as an actor, you walk into that world and he's the sounding board, all the answers are within him.