verb. Simple past tense and past participle of prearrange.

"I read that Jeanne wrote letters in prearranged code: Any sentence followed by a carefully inked cross was a lie, her friends knew."

prearrange  

arranged  changed  deranged  estranged  exchanged  

50-mhz  all-clear  broad-band  buy/sell  costimulatory  

all ready  all set  armed  armed and ready  booted and spurred  

prearrange