verb (used with object), sum·mat·ed, sum·mat·ing.
to add together; total; sum up.
Origin of summate
First recorded in 1895–1900; back formation from summation
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Related Words for summatedrehash, outline, compile, epitomize, recap, encapsulate, reach, equal, yield, add, comprise, count, shorten, summarize, curtail, compress, thicken, guess, estimate, trim
1900, Modern Latin summatus, past participle of summare "to sum" (see summation). Related: Summated; summating.
Online Etymology Dictionary, © 2010 Douglas Harper