They are both correct, but they have different meanings. 1. If he like the food at a restaurant, you could say, "The food is acceptable TO him. 2. If burping is acceptable, you could say, "It it acceptable FOR him to burb in the restaurant."

1) The compromise is acceptable to both parties. 2) at the same time it is all right to say IT IS ACCEPTABLE FOR ME TO RISE AT 7 O'CLOCK TOMORROW MORNING. 3) The racing car is acceptable for F1.

for him

It is acceptable to him.

I would use for. But I supose (might be wrong just logical thinking). Good for is what he accepts. Good to what others suggest. But still for sounds better to me. Why I say to me? Hm