it's a [adjective] idea

It's a [adjective] idea.

It's an utopian idea.

It's a miraculous idea.

It's a brilliant idea.

It's a marvelous idea.

It's a fabulous idea.

It's a wonderful idea.

It's a spectacular idea.

It's an amazing idea.

It's a beautiful idea.

It's a good idea.

It's a nice idea.

It's a great idea.

It's a swell idea.

It's a speculative idea.

It's an attractive idea.

It's a seductive idea.

It's a sexy idea.

It's a comforting idea.

It's a logical idea.

It's a horrible idea.

It's a noble idea.

It's a tentative idea. It might happen or it might not!