absolutely, completely, entirely, perfectly, quite
Your answer is absolutely correct, so you should feel confident about your test results.
not entirely, not strictly
While the map is not entirely correct, it still helps us find our way around the city.
basically, broadly, essentially, fundamentally, largely, more or less, substantially
The weather forecast was basically correct about the storm arriving this afternoon.
demonstrably
Her answer to the math problem was demonstrably correct when the teacher checked it against the answer key.
ideologically, politically
The new school curriculum was criticized by some parents for being too politically correct.
anatomically, botanically, factually, grammatically
The spelling in the document was grammatically correct, but the teacher still marked it wrong.