sum - noun

a quantity of money

a quantity obtained by the addition of a group of numbers

the final aggregate

the choicest or most essential or most vital part of some idea or experience

the whole amount

a set containing all and only the members of two or more given sets

sum - verb

• be a summary of
• determine the sum of

sum - thesaurus

add   aggregate   amount   center   centre   core   essence   gist   heart   inwardness   join   kernel   marrow   meat   nub   pith   substance   summarise   summarize   summate   summation   tally   tot   total   totality   union