Luke.22.6

And he promised, and sought opportunity to betray him unto them in the absence of the multitude.

Luke.22.6

He gave them his word and started looking for a way to betray Jesus, but out of sight of the crowd.

Luke.22.6

He consented, and watched for an opportunity to hand Jesus over to them when no crowd was present.

Luke.22.6

So he began looking for an opportunity to betray Jesus so they could arrest him quietly when the crowds weren't around.