Definitions of summate
  1. verb
    determine the sum of
    synonyms: add, add together, add up, sum, sum up, tally, tot, tot up, total, tote up
    add, add together
    make an addition by combining numbers
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    type of:
    count, enumerate, number, numerate
    determine the number or amount of
  2. verb
    form or constitute a cumulative effect
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    type of:
    join for a common purpose or in a common action
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