that is to come or will come

approaching, promising

additional; beyond what is usual, expected or arranged

accessory; excess

about to appear

expected, imminent

likely to come or happen very soon

at hand, on the way

kept for use when needed; additional to what is being or will be used; a spare part (for a machine or engine); (to agree) to avoid hurting, punishing, destroying, (a person, building etc)

extra, reserve