The correctly spelled word from the drop-down menu to complete the sentence is "accommodate". Therefore, the sentence would be as follows: The dining room was overbooked, but to avoid problems, the manager decided to accomodate all of the reservations with outdoor seating.
According to the Merriam Webster dictionary, "accommodate" means "to make room for". In this case, as the dining room was overbook, the manager came up with the idea to make room for all fo the reservations outside.
