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calculate (v.)
1560s, "to ascertain by computation, estimate by mathematical means," from Latin calculatus, past participle of calculare "to reckon, compute," from calculus (see calculus). Meaning "to plan, devise" is from 1650s; hence "to purpose, intend" and "to think, guess" (1830), both U.S. idioms. Replaced earlier calculen (mid-14c.), from Old French calculer. Related: Calculable.
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Definitions of calculate from WordNet
Dictionary entries near calculate
calcareous
calcify
calcite
calcitrant
calcium
calculate
calculated
calculating
calculation
calculator
calculous