[1] : The Collaborative International Dictionary of English v.0.48

computation \com`puta"tion\, n. l. computatio: cf. f.
   computation.
   1. the act or process of computing; calculation; reckoning.
      1913 webster

            by just computation of the time.      --shak.
      1913 webster

            by a computation backward from ourselves. --bacon.
      1913 webster

   2. the result of computation; the amount computed.
      1913 webster

   3. computers the process of performing arithmetical or
      logical operations, on data by an electronic device.
      pjc

   syn: reckoning; calculation; estimate; account.
        1913 webster

[2] : WordNet (r) 2.0

computation
     n 1: the procedure of calculating; determining something by
          mathematical or logical methods syn: calculation, computing
     2: problem solving that involves numbers or quantities syn: calculation,
         figuring, reckoning
see also:
calculation computing figuring reckoning 

[3] : Moby Thesaurus II by Grady Ward, 1.0

55 moby thesaurus words for "computation":
   accounting, adding, adding machine, analysis, appraisal,
   appraisement, approximation, arithmetic, assessment, assize,
   assizement, automatic electronic navigation, braking, calculation,
   calculator, calculus, casting, ciphering, coordination, correction,
   determination, estimate, estimation, evaluation, fact distribution,
   figuring, footing, forecasts, gauging, inspection, instrumentation,
   manipulation, measure, measurement, measuring, mensuration,
   metric system, nonlinear calibrations, output measurement,
   processing, quantification, quantization, rating, reckoning,
   record keeping, steering, supersonic flow detection, survey,
   surveying, telemetering, telemetry, totaling, toting,
   triangulation, valuation

[4] : Bouvier's Law Dictionary, Revised 6th Ed (1856)

computation counting, calculation. it is a reckoning or ascertaining the 
number of any thing. 
     2. it is sometimes used in the common law for the true reckoning or 
account of time. time is computed in two ways; first, naturally, counting 
years, days and hours; and secondly, civilly, that is, that when the last 
part of the time has once commenced, it is considered as accomplished. 
savig. dr. rom. sec. 182. see infant; fraction. for the computation of a 
year, see com. dig. ann; of a mouth, com. dig. temps. a; 1 john. cas. 100 15 
john. r. 120; 2 mass. 170, n.; 4 mass. 460; 4 dall. 144; 3 s.  r. 169; of a 
day, vide day.; and 3, burr 1434; 11 mass. 204; 2 browne, 18; dig. 3, 4, 5; 
salk. 625; 3 wils. 274. 
     3. it is a general rule that when an act is to be done within a certain 
time, one day is to be taken inclusively, and one exclusively. vide lofft, 
276; dougl. 463; 2 chit. pr. 69; 3 id. 108, 9; 3 t. r. 623; 2 campb. r. 294; 
4 man. and ryl. 300, n. b 5 bingh. r. 339; s. c. 15, e. c. l. r. 462; 3 
east, r. 407; hob. 139; 4 moore, r. 465; har. dig. time, computation of; 3 
t. r. 623; 5 t. r. 283; 2 marsh. r. 41; 22 e. c. l. r. 270; 13, e, c. l. r. 
238; 24 e. c. l. r. 53; 4 wasb. c. c. r. 232; 1 ma-son, 176; 1 pet. 60; 4 
pet. 349; 9 cranch, 104; 9 wheat. 581. vide day; hour; month; year. 

Computation >> C Words
Computation, definition of term: Computation
computation_pag1.html