forereckoning

Etymology

From forereckon + -ing.

forereckoning means precalculation; foreplanning. Lexicurio rates it Rare gem — a strength score of 82 out of 100.

noun

Precalculation; foreplanning“[…] had to have sleep, but decided that since I could not afford to be wrong in my forereckoning, I would at those times guard against surprise by leaning a heavy stick against the bar so that the latter's displacement would cause it to fall and wake […]”