To have influence (on something, especially someone's opinion); to be accepted or tolerated (by).
To think, conclude, or decide (without a connotation of uncertainty). Usually in first person: "I guess".
to suppose (introducing a proposition of uncertain plausibility).
To solve by a correct conjecture; to conjecture rightly.
To reach a partly (or totally) unqualified conclusion.
A prediction about the outcome of something, typically made without factual evidence or support.