classify

Meanings

1. 1
   verb

   to arrange or order by classes or categories

   How would you classify these pottery shards--are they prehistoric?

2. 2
   verb

   to identify by or divide into classes; to categorize

   Should we classify "make up" as an idiom or as a phrasal verb?

3. 3
   verb

   to declare something a secret, especially a government secret

   They decided to classify that information.

4. 4
   verb

   to assign to a class or kind

5. 5
   verb

   to declare unavailable, as for security reasons

6. 6
   verb

   To make classy

Etymology

From French classifier. By surface analysis, class + -ify.