Simple:
* The passengers disembarked the ship at the pier.
* The tourists disembarked the train in Paris.
With context:
* After a long journey, we finally disembarked from the airplane and stepped onto the tarmac.
* The crew disembarked from the submarine and headed for the research facility.
* As the ship approached the island, the explorers anxiously disembarked to explore the uncharted territory.
Figurative:
* The writer disembarked from the world of fantasy and returned to reality.
* He disembarked from the emotional turmoil of his breakup and found peace.
Formal:
* The order to disembark was given as the ship reached the designated port.
* The guests disembarked with grace and dignity, leaving the opulent gala behind.
Remember that "disembark" specifically refers to getting off a vehicle, especially a boat, train, or aircraft.