Informal.to make sense; add up: His reasons for doing that just don't compute.
noun
6.
computation: outer space that is vast beyond compute.
Origin: 1375–1425 for earlier sense; 1580–90for def 6; (v.) < Latincomputāre, equivalent to com-com- + putāre to think; (noun) late Middle English < Middle French < Late Latincomputus calculation, number, noun derivative of computāre; cf. putative, count1
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
a fool or simpleton; ninny.
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
a fool or simpleton; ninny.
a scrap or morsel of food left at a meal.
a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.