Source : Webster's Revised Unabridged Dictionary (1913)

Compute \Com*pute"\, v. t. [imp. & p. p. {Computed}; p. pr. &
   vb. n. {Computing}.] [L. computare. See {Count}, v. t.]
   To determine calculation; to reckon; to count.

         Two days, as we compute the days of heaven. --Milton.

         What's done we partly may compute, But know not what's
         resisted.                                --Burns.

   Syn: To calculate; number; count; reckon; estimate;
        enumerate; rate. See {Calculate}.

Source : WordNet®

computing
     n 1: the branch of engineering science that studies (with the aid
          of computers) computable processes and structures [syn:
          {computer science}]
     2: the procedure of calculating; determining something by
        mathematical or logical methods [syn: {calculation}, {computation}]

Source : Free On-Line Dictionary of Computing

computing
     
        {computer}