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summate

/ˈsʌm.eɪt/ verb

verb Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about summate at Wordnik → Where our words come from →

  1. Determine the sum of.
    Add all the people in this town to those of the neighboring town
  2. Form or constitute a cumulative effect.

Origin

From sum + -ate (verb-forming suffix).

From Wiktionary, via Kaikki.org (CC BY-SA)