Examples:

• In that sense, it's a very good idea, Mr. Neel
• And I got a pretty good idea about the situation, Nate.
• That Annunciation of the Ark was a very good idea.
• Wasn't a good idea, but it was under this tree.
• Sometimes it's a good idea just to talk to someone.
• My impression is that this is not a good idea.
• If you think it's a good idea, tell me yes.
• It's a good idea to start the act with that.