I wanted to use a one-word expression for a written communication (short or long) which is a response to a question. It is deliberately worded to evade answering the question, using very distinctively official language. In short, it leaves the reader confused whether the question was answered at all. If yes, then what actually was the answer.
My sentence would be something like:
"He has mastered the art of ..... "
"He has mastered the art of using ....."