| noun | a quantity of money “he borrowed a large sum” |
| noun | a quantity obtained by the addition of a group of numbers |
| noun | the final aggregate “the sum of all our troubles did not equal the misery they suffered” |
| noun | the choicest or most essential or most vital part of some idea or experience “the gist of the prosecutor's argument” |
| noun | the whole amount |
| noun | a set containing all and only the members of two or more given sets “let C be the union of the sets A and B” |
| verb | be a summary of “The abstract summarizes the main ideas in the paper” |
| verb | determine the sum of “Add all the people in this town to those of the neighboring town” |
| sum | verb | determine the sum of |
| summate | verb | determine the sum of |
| amount | verb | add up in number or quantity |
| total | verb | determine the sum of |
| summational | adjective | of or relating to a summation or produced by summation |
| central | adjective | serving as an essential component |
| essential | adjective | of the greatest importance |
| meaty | adjective | being on topic and prompting thought |
| pithy | adjective | concise and full of meaning; ; - Hervey Allen |
| aggregate | adjective | formed of separate units gathered into a mass or whole |
| aggregate | verb | amount in the aggregate to |
| summarization | noun | the act of preparing a summary (or an instance thereof); stating briefly and succinctly |
| summarisation | noun | the act of preparing a summary (or an instance thereof); stating briefly and succinctly |
| summation | noun | a concluding summary (as in presenting a case before a law court) |
| total | noun | the whole amount |
| sum | noun | the whole amount |
| addible | adjective | capable of being added or added to |
| additive | adjective | designating or involving an equation whose terms are of the first degree |
| addable | adjective | capable of being added or added to |
| addition | noun | the arithmetic operation of summing; calculating the sum of two or more numbers |
| adder | noun | a machine that adds numbers |
| tally | noun | the act of counting; reciting numbers in ascending order |