guessing

fe’l verb

1. To solve by a correct conjecture; to conjecture rightly. He who guesses the riddle shall have the ring.
2. To suppose (introducing a proposition of uncertain plausibility). That album is quite hard to find, but I guess you could try ordering it online.
3. To think, conclude, or decide (without a connotation of uncertainty). Usually in first person: "I guess". "I guess I'll go to bed."
4. To reach a partly (or totally) unqualified conclusion.

ot noun

1. The act of making a guess; estimate or prediction; foresight.