An act or instance of deferring or putting off. (noun)
Officially sanctioned postponement of compulsory military service. (noun)
Examples of word deferment
From the Boston Globe: As the Vietnam War raged in the 1960s, Mitt Romney received a deferment from the draft as a Mormon "minister of religion" for the duration of his missionary work in France, which lasted two and a half years.
My plans were thwarted by an unfortunate war and to assure deferment from the military, I found myself a misplaced medical student at Johns
"Howard Dean was granted a deferment from the military after showing up at a recruitment office with an x-ray indicating he had a bad back," the voice-of-God narrator says.
Mr. Dean grew up on Park Avenue in an old aristocratic family, and after getting his medical deferment from the draft, he moved to Aspen to ski.
My teaching at Yale seemingly warranted an indefinite deferment from the Vietnam War draft.