The meaning of postponement in the excerpt is the act of delaying or rescheduling an event or activity, and the clearest context clue for this word is "they'd been postponed."
In the given excerpt, postponement refers to the act of delaying or rescheduling something. The word "delaying" provides the clearest context clue for the meaning of postponement in this case.
Without the explicit word in the given excerpt, it is not possible to determine the exact meaning of "postponement."
