"replacement appointment" is correct and usable in written English.
You can use it when referring to a new scheduled meeting that is taking the place of an original one that, for whatever reason, cannot be kept. For example: "I had to cancel my appointment with the doctor, but I was able to make a replacement appointment for later in the week."
Several days later, replacement appointments were announced: Magoon was appointed both governor and a member of the Commission, with railroad entrepreneur Theodore P. Shonts made chairman of the Commission.
There were no replacement appointments and the remaining five were not engaged.
While its creative director, Alessandro Michele, was yet to be officially installed as Frida Giannini's replacement (his appointment, a promotion from head of accessories, was announced on Wednesday), he oversaw the design team's edgy collection of androgynous 70s-influenced separates.
After weeks of speculation about Mitchell's replacement, the appointments were announced on Wednesday by the executive chairman of News Corp Australasia, Michael Miller, and the News Corp Australia chief executive, Peter Tonagh.
After that, the federal court in the region must reappoint that interim U.S. attorney or appoint its own replacement while the appointment process is underway in Washington.
Now that it looks like Blagojevich will be impeached and replaced, his replacement may be able to void the appointment of Burris.
Palm Computing did this by foregoing development of a handheld computer in favor of its wildly successful replacement for the lowly appointment calendar.
The committee requested the appointment of replacement as soon as possible.
However, it was not until 2006 that he had the opportunity to realize this ambition, when DreamWorks announced his appointment as replacement for director Sam Mendes, who had been working on such an adaptation.
It is understood Sadiq Khan, Labour's candidate to be the next London mayor, is anxious that any re-appointment or replacement of London's top police chief should not completed before the mayoral election in May.
