WordWeb Online

1. A brief statement that presents the main points in a concise form
   "he gave a sum-up of the conclusions";
   - summary, wrap-up

1. Give a summary (of)
   "he summed up his results";
   - summarize, summarise [Brit], resume, run over
    
2. Be a summary of
   "The abstract sums up the main ideas in the paper";
   - summarize, summarise [Brit], sum
    
3. Determine the sum of
   - total, tot, tot up, sum, summate, tote up, add, add together, tally, add up

Derived forms: summing up, sum-ups, sums up, summed up

Type of: count, enumerate, ingeminate, iterate, number, numerate, reiterate, repeat, restate, retell, say, state, statement, tell