General Opposites:
* Understanding
* Comprehending
* Clear
* Enlightened
* Informed
* Aware
* Grasping
* Apprehending
More Specific Opposites:
* Confident (If baffled implies uncertainty)
* Certain (If baffled implies doubt)
* Assured (If baffled implies hesitation)
* Composed (If baffled implies being flustered)
Example:
* Baffled: "I'm completely baffled by this instruction manual."
* Opposite: "The instructions were so clear, I understood everything perfectly."
Choose the opposite that best fits the specific situation and meaning of "baffled" in your context.