[1] : WordNet (r) 2.0

sum up
     v 1: give a summary of; "he summed up his results"; "i will now
          summarize" syn: summarize, summarise, resume
     2: be a summary of; "the abstract summarizes the main ideas in
        the paper" syn: summarize, summarise, sum
     3: determine the sum of; "add all the people in this town to
        those of the neighboring town" syn: total, tot, tot
        up, sum, summate, tote up, add, add together, tally,
         add up
see also:
summarize summarise resume sum total tot 
tot up summate tote up add add together 
tally add up 

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

90 moby thesaurus words for "sum up":
   abbreviate, abridge, abstract, add up, battologize, bob, boil down,
   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, 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, review, reword, run over, say over,
   say over again, score up, shave, shear, shorten, snub, stunt, sum,
   summarize, summate, synopsize, take in, tally up, tautologize,
   telescope, tot up, total, total up, tote up, trim, truncate

Ante Up >> A Words
Ante Up, definition of term: Ante Up
ante+up_pag1.html

Act Up >> A Words
Act Up, definition of term: Act Up
act+up_pag1.html