Literally:
* Plant: The opposite of uprooting a plant is planting or replanting.
* Moving: The opposite of uprooting yourself from a place is settling down, staying put, or remaining.
Figuratively:
* Disrupt: The opposite of uprooting someone's life or routine is stabilizing, grounding, or normalizing.
* Destroy: The opposite of uprooting a system or tradition is preserving, maintaining, or strengthening.
The best opposite will depend on the specific situation and what you are trying to convey.