Good Thinking
Meaning/Usage: To tell someone they did a good job to avoid a problem
Explanation: This is fairly straightforward.
I am glad you brought an umbrella. That was good thinking.
Good thinking to call ahead and reserve tickets.
It was good thinking to send out invitations sooner than later.
A.
I hear the restaurant we are going to is really popular.
B.
It's pretty good... and I already reserved a table for us.
A.
Good thinking!
Other Common Sentences
You did well remembering that.
I'm glad you thought of that.