Answer: remount

AnswerCrossword Clue
REMOUNTChange a jewel's setting
REMOUNTGet back on, as a horse
REMOUNTGet back on the horse
REMOUNTFresh horse.
REMOUNTA change of horses.
REMOUNTHorse replacement.
REMOUNTFresh horse
REMOUNTGet back on
remountto climb in a horse once more
remountfresh horse or supply of fresh horses
remountto mount again; reascend