calculate

verb

1. (transitive)To determine the value of something or the solution to something by a mathematical process.

   “Calculate the square root of 3 to 10 decimal places.”

2. (intransitive)To determine values or solutions by a mathematical process; reckon.
3. (US, dialectal, intransitive)To plan; to expect; to think.

   “I stumbled along through the young pines and huckleberry bushes. Pretty soon I struck into a sort of path that, I cal’lated, might lead to the road I was hunting for. It twisted and turned, and, the first thing I knew, made a sudden bend around a bunch of bayberry scrub and opened out into a big clear space like a lawn.”

4. 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.

   “to calculate or cast one’s nativity”

   “A cunning man did calculate my birth.”

5. To adjust for purpose; to adapt by forethought or calculation; to fit or prepare by the adaptation of means to an end.

   “to calculate a system of laws for the government and protection of a free people”

   “[Religion] is […] calculated for our benefit.”

6. To imagine sequences of potential moves and responses without actually moving the pieces.