揣测 (chuǎi cè): to guess; to conjecture

The police had no solid evidence, so they could only guess the suspect's escape direction based on the footprints left at the scene.

Stop guessing what I'm thinking. If you have any questions, just ask me directly.

He always talks in a roundabout way, making it hard for people to guess his true intention.

Market analysts are all guessing whether the central bank will adjust interest rates in the next step.

You're guessing it was him just because of an anonymous letter—that's too arbitrary.

Based on the patterns on the unearthed pottery, archaeologists guess that this site dates to the late Neolithic period.