surmise

Universal Words verb, noun verb (formal) to guess or suppose sth using the evidence you have, without definitely knowing SYNCONJECTURE: [V(that)] From the looks on their faces, I surmised that they had had an argument. [also V, Vspeech, VN, Vwh-] noun [U,C,usually sing.] (formal) a guess based on some facts that you know already: This is pure surmise on my part. * He was glad to have his surmise confirmed.