'is so appointed' is a correct and usable phrase in written English.
You can use this phrase to emphasize that something has been chosen or decided in a particular way. For example, "The project manager is so appointed by the executive team."
It is so beautifully appointed, he said, that living there "will be like staying in the W Hotel every night".
The Virtual Simulation room was so minimally appointed — a couple of flat screens and a few headsets with electrodes lay about — that it looked as if it had been burglarized.
Dubbed the Todd Mahal, an insider says Thomson's office was so richly appointed because he "saw himself as stepping into Weill's shoes".
It was no longer inhabited, but was so perfectly appointed, so precisely furnished with a little stove, a Keith Haring original drawing, vintage cross-country skis, solar-energy units, classic books and much else that it seemed right to befriend the exquisite hobo who had once lived there.
Not since Ronald Reagan in 1980 have there been so few appointed to a president's first Cabinet.
Both are billionaires and generous donors to the various transhumanist sects, and without their munificence, it seems unlikely the movement's priests would be so richly appointed.
The light rail, largely because it is so well run and nicely appointed, is something that I think most people are really proud of and feel positive about.
The move is so advanced that Papworth has already appointed construction firm Skanska to build its new facility.
Oregon's fiscal crisis is so bad that people charged with burglary and other nonviolent crimes are not being appointed lawyers and so are not held in custody or responsible for their crimes.
When the King suffered a nervous breakdown in July 1453, the ambitious queen, Margaret of Anjou, backed by Somerset, claimed the regency, but her rule was so unpopular that Parliament appointed York protector of the realm in March 1454.
