Calculate

1. v. i. To make a calculation; to forecast consequences; to estimate; to compute.
2. v. i. To ascertain or determine by mathematical processes, usually by the ordinary rules of arithmetic; to reckon up; to estimate; to compute.
3. v. i. 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.
4. v. i. 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.
5. v. i. To plan; to expect; to think.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.