reserving

/R IH0 Z ER1 V IH0 NG/
verb
  1. 1

    To keep back; to retain.

    โ€œWe reserve the right to make modifications.โ€

  2. 2

    To keep in store for future or special use.

    โ€œThis cake is reserved for the guests!โ€

  3. 3

    To book in advance; to make a reservation.

    โ€œI reserved a table for us at the best restaurant in town.โ€

  4. 4

    To make an exception of; to except.

Source: https://en.wiktionary.org/wiki/reserve, https://en.wiktionary.org/wiki/reserving