[1] : The Collaborative International Dictionary of English v.0.48

summarize \sum"marize\, v. t.
   to comprise in, or reduce to, a summary; to present briefly.
   --chambers.
   1913 webster

[2] : WordNet (r) 2.0

summarize
     v 1: give a summary of; "he summed up his results"; "i will now
          summarize" syn: sum up, summarise, resume
     2: be a summary of; "the abstract summarizes the main ideas in
        the paper" syn: summarise, sum, sum up
see also:
sum up summarise resume sum 

[3] : Moby Thesaurus II by Grady Ward, 1.0

96 moby thesaurus words for "summarize":
   abbreviate, abridge, abstract, add up, battologize, bob, boil down,
   brief, capsule, capsulize, cast up, cipher up, clip, compress,
   condense, contract, count up, crop, curtail, cut, cut back,
   cut down, cut off short, cut short, detail, digest, dock, elide,
   epitomize, figure up, fill, foot up, foreshorten, give an encore,
   go over, go through, inventory, itemize, iterate, mow, nip,
   nutshell, outline, pad, poll, pollard, practice, prune, reaffirm,
   reap, reassert, recap, recapitulate, recite, reckon up, recount,
   reduce, rehash, rehearse, reissue, reiterate, relate, reprint,
   restate, resume, retail, retell, retrench, retrograde, review,
   reword, run over, say over, say over again, score up, shave, shear,
   shorten, sketch, sketch out, snub, stunt, sum, sum up, summate,
   synopsize, take in, tally up, tautologize, telescope, tot up,
   total, total up, tote up, trim, truncate

Summarize >> S Words
Summarize, definition of term: Summarize
summarize_pag1.html