classify
verb
[ ˈklasɪfʌɪ ]
• arrange (a group of people or things) in classes or categories according to shared qualities or characteristics.
• "mountain peaks are classified according to their shape"
• designate (documents or information) as officially secret.
• "government officials classified 6.3 million documents in 1992"
Origin:
late 18th century: back-formation from classification, from French, from classe ‘class’, from Latin classis ‘division’.
