And what if I had agreed to your ridiculous suggestion?

Agreeing to her suggestion of a 'meeting' would buy them time, but for what?

Each of them agreed to Stoner's suggestion of a peace conference.

Rick agreed to Joe's suggestion and went hunting early the next day.

Would it be totally insane of her to agree to his suggestion?

He merely helped Harry with the extra tires; then agreed to his friend's suggestion that they go out to eat.

You must understand this clearly before you agree to my suggestion.

Stephen was annoyed that he had agreed to her suggestion that they eat the same food.

As regards the third part, I agree to your suggestion of clarifying the matter by tomorrow.

Ross agreed to Hepburn's suggestion and the lots were offered to the state commission.