That is a good idea, let's go to the park.
that’s a good idea!
idiomYou say this to show you agree with someone's suggestion. It means you think their plan is good.
When he suggested we order pizza instead of cooking, I told him that is a good idea.
After considering the various options for our travel itinerary, I concluded that your proposal to visit the coast is a good idea.
Last updated June 7, 2026