To reach a partly (or totally) unqualified conclusion, To solve by a correct conjecture; to conjecture rightly, transitive To solve by a correct conjecture; to conjecture rightly, To judge or form an opinion of, from reasons that seem preponderating, but are not decisive, intransitive To predict (a result or an event) without sufficient information, To form a correct estimate or conjecture of, To estimate or conjecture correctly, noun_ A conjecture arrived at by guessing, An opinion as to anything, formed without sufficient or decisive evidence or grounds; an attempt to hit upon the truth by a random judgment; a conjecture; a surmise