Answer: classify

AnswerCrossword Clue
CLASSIFYPigeonhole
CLASSIFYArrange.
CLASSIFYAssign to a category
CLASSIFYProtect sensitive information
classifyto arrange in categories
classifyDesignate (documents or information) as officially secret or to which only authorized people may have access
classifyArrange (a group of people or things) in classes or categories according to shared qualities or characteristics
classifyAssign (someone or something) to a particular class or category