How about...?
You ought to...
Have you thought of...?
I see what you mean, but...
You shouldn't...
You've got a point, but...
You should...
You may be right, but...
OK, point taken.
It's a good idea to...
You could always...
Yes, you're quite right.
I'm not sure about that.
You might want to...
It's important to...
It's wise to...
Why don't you...?
Have you tried...?
It's important not to...
Good idea. I'll try that.
It's not a good idea to...
It's unwise to...
What about...?
I don't think that will work.
