| noun | a concluding summary (as in presenting a case before a law court) |
| noun | (physiology) the process whereby multiple stimuli can produce a response (in a muscle or nerve or other part) that one stimulus alone does not produce |
| noun | the final aggregate “the sum of all our troubles did not equal the misery they suffered” |
| noun | the arithmetic operation of summing; calculating the sum of two or more numbers “the summation of four and three gives seven” |
| summational | adjective | of or relating to a summation or produced by summation |
| sum | verb | be a summary of |
| summate | verb | form or constitute a cumulative effect |
| add | verb | determine the sum of |