Children learn early on to categorize.    From Wordnet, Princeton University. 

But I agree that it is difficult work to categorize, which is why words like interstitial were invented.    From Wordnik.com.  [Life, and What You Make It] Reference

I kind of categorize them because I'm an anthropologist.    From Wordnik.com.  [CNN Transcript Aug 24, 2003] Reference

I hate trying to "categorize" people, so please do not get offended by any of the categories.    From Wordnik.com.  [Archive 2008-11-01] Reference

In our culture we tend to "categorize" addictions by the priority we place upon them.    From Wordnik.com.  [Disease Proof] Reference

Childress admits he doesn't know how to "categorize" this situation given it isn't exactly the norm.    From Wordnik.com.  [StarTribune.com rss feed] Reference

Basically, tags give Quicken users a way to "categorize" transactions outside of, and across, categories.    From Wordnik.com.  [Money Musings] Reference

"It's just a lot of stuff, and you've got to kind of categorize everything.    From Wordnik.com.  [Phillip Daniels and London Fletcher on the new defensive scheme] Reference

The first step is to categorize Muslims accurately.    From Wordnik.com.  [A Symposium: What Is Moderate Islam?] Reference

Swinton's alleged behavior is difficult to categorize.    From Wordnik.com.  [Rozita Swinton’s Bad Call] Reference

At first, Americans didn't know how to categorize him.    From Wordnik.com.  [Lenny Kravitz Lets Love Rule For 20 Years] Reference

I can see people here trying to categorize me: Muslim?.    From Wordnik.com.  [Seema Jilani: Pakistanis & Afghans: Brothers in the Dysfunctional Family of Muslim Countries] Reference

It's these effects that make it so difficult to categorize him.    From Wordnik.com.  [Speak, Memory] Reference

Quinn's books are extremely popular, if difficult to categorize.    From Wordnik.com.  [Author denies Discovery gunman James Lee's interpretation of 'My Ishmael'] Reference

All her life she had been required to categorize herself by race.    From Wordnik.com.  [Color My World] Reference

Aristotle and Kant were laboring to categorize the Universe, is the.    From Wordnik.com.  [Continental Monthly , Vol. 5, No. 6, June, 1864 Devoted to Literature and National Policy] Reference

MICHELE NORRIS, host: M. Ward is a difficult musician to categorize.    From Wordnik.com.  [M. Ward's 'Hold Time' A Collage Of Rock History] Reference

We then categorize the examples that will help the algorithm improve.    From Wordnik.com.  [The Repercussions Of Crowdsourced Work] Reference

It's very hard to categorize, and that was Orff's the intent, really.    From Wordnik.com.  [The Lasting Appeal of Orff's 'Carmina Burana'] Reference

I then categorize the spices for their use -- Italian: parsley, basil, etc.    From Wordnik.com.  [Hints From Heloise] Reference

Playful, preposterous and poignant, "The Kid" is a hard movie to categorize.    From Wordnik.com.  [The Kid Is All Right] Reference

(Soundbite of music) GURA: Over the years, O'Connor became hard to categorize.    From Wordnik.com.  [Fiddling With An American Alternative To Suzuki] Reference

ROBERT SIEGEL, host: Now, a review of some music that is not easy to categorize.    From Wordnik.com.  [Dirty Projectors: Balancing Head And Heart] Reference

ROBERT SIEGEL, host: Now, a review of some music that is difficult to categorize.    From Wordnik.com.  [Animal Collective: The Electronic Turns Organic] Reference

"I-It" relating allows man to interpret, categorize, and accrue scientific knowledge.    From Wordnik.com.  [Humanistic Nursing] Reference

Ms. ALSOP: Well, it's this desire of the public to identify and really categorize people.    From Wordnik.com.  [The Lasting Appeal of Orff's 'Carmina Burana'] Reference

Though critics couldn't neatly categorize it (was it a play or a panorama?), they loved it.    From Wordnik.com.  [Lily's Legacy] Reference

Australians We love lists because they satisfy our craving to count, collect and categorize.    From Wordnik.com.  [The Glory Of (Yes) Lists] Reference

Children by nature need to categorize things and people in order to make sense of the world.    From Wordnik.com.  [Dana H. Glazer: Teaching Diversity to Your Child] Reference

People categorize him in political terms: 'He's a socialist,' 'He's a pragmatic progressive.'.    From Wordnik.com.  [Time magazine comes out on top] Reference

It is impossible to singularly categorize a play's impression on every member of an audience.    From Wordnik.com.  [Lauren Gunderson: The Definition of Badass: "Holy Sh*t Theatre" Take Two] Reference

The sermon that Sadoughi had delivered that morning had been equally impossible to categorize.    From Wordnik.com.  [Tehran or Bust] Reference

They're difficult to categorize — conservative on social issues, but liberal on economic ones.    From Wordnik.com.  [Heaven Help Them Decide] Reference

While cutting down the foliage, we would meticulously categorize where each moth or pupae were found.    From Wordnik.com.  [Summer Jobs: FAO Schwarz] Reference

I like to categorize classical music as one of those really beautiful, glamorous gems from the old era.    From Wordnik.com.  [Leading the Way] Reference

I do think that - but I don't necessarily categorize it as what we can only do to help those countries.    From Wordnik.com.  [Edward Norton, Don Cheadle: Celebrities For A Cause] Reference

It was funny, I had played that song for a lot of people, and I didn't really know how to categorize it.    From Wordnik.com.  [Mike Ragogna: Dukes of September, McCartney's Guitarist & An Australian's Tourabout : Conversations With Michael McDonald, Brian Ray, and Xavier Rudd] Reference

You will expect more, you will expect me to categorize these expenses, assign colors and make pie charts.    From Wordnik.com.  [Unnecessary] Reference