The most appropriate synonym for "deliberate" is "planned." "Deliberate" refers to something done consciously and intentionally, and "planned" reflects the idea of careful forethought and intentionality. The other options, such as "casual" (informal), "hasty" (done quickly without much thought), and "rushed" (done in a hurry), have different meanings and do not convey the sense of careful consideration associated with "deliberate."

The most appropriate synonym for "confusion" is "commotion." "Confusion" refers to a state of disorder or lack of clarity, and "commotion" reflects a similar state of tumult or disturbance. The other options, such as "intrepidity" (fearlessness), "stagnation" (lack of progress), and "perusal" (reading or examination), have different meanings and do not convey the sense of disorder associated with "confusion."