CALCULATE
\kˈalkjʊlˌe͡ɪt], \kˈalkjʊlˌeɪt], \k_ˈa_l_k_j_ʊ_l_ˌeɪ_t]\
Definitions of CALCULATE
 2006  WordNet 3.0
 2011  English Dictionary Database
 2010  New Age Dictionary Database
 1913  Webster's Revised Unabridged Dictionary
 1919  The Winston Simplified Dictionary
 1899  The american dictionary of the english language.
 1894  The Clarendon dictionary
 1919  The Concise Standard Dictionary of the English Language
 1914  Nuttall's Standard dictionary of the English language
 1874  Etymological and pronouncing dictionary of the English language
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To ascertain or determine by mathematical processes, usually by the ordinary rules of arithmetic; to reckon up; to estimate; to compute.

To ascertain or predict by mathematical or astrological computations the time, circumstances, or other conditions of; to forecast or compute the character or consequences of; as, to calculate or cast one's nativity.

To adjust for purpose; to adapt by forethought or calculation; to fit or prepare by the adaptation of means to an end; as, to calculate a system of laws for the government and protection of a free people.

To plan; to expect; to think.
By Oddity Software

To ascertain or determine by mathematical processes, usually by the ordinary rules of arithmetic; to reckon up; to estimate; to compute.

To ascertain or predict by mathematical or astrological computations the time, circumstances, or other conditions of; to forecast or compute the character or consequences of; as, to calculate or cast one's nativity.

To adjust for purpose; to adapt by forethought or calculation; to fit or prepare by the adaptation of means to an end; as, to calculate a system of laws for the government and protection of a free people.

To plan; to expect; to think.
By Noah Webster.

To add, subtract, multiply, or divide (any sum) to find the result; to determine by any process of reasoning; estimate.

To make a computation; to rely; with or or upon.

Calculative.
By William Dodge Lewis, Edgar Arthur Singer
By Daniel Lyons

Calculator.

To compute; to reckon.
By William Hand Browne, Samuel Stehman Haldeman
By James Champlin Fernald