The antonyms for the word "re-seated" are words that denote actions opposite to seating, like standing up, leaving, or getting off a chair, bench, or any other sitting arrangement. These antonyms include words like stand up, rise, depart, get off, disembark, leave, vacate, move away from, step out, dismount, and alight. These words are used when you want to convey the message of leaving a place where you were sitting or simply stopping the act of sitting. They come in handy in situations where you want to tell someone to stand up or leave an area where you were sitting.