to guess; to conjecture; to surmise

to guess; to conjecture; to suppose; (math.) conjecture; hypothesis

to guess correctly; to figure out the right answer

to suspect; to have misgivings; suspicious; misgivings

to answer a riddle; to guess (i.e. form an opinion without much evidence)

finger-guessing game; rock-paper-scissors game; morra

to surmise; to conjecture

to be suspicious and jealous of

drinking game where one has to guess the number of small objects in the other player's closed hand

to guess correctly

to be unable to guess or make out

to have sufficient insight to perceive; to suspect that ...

to answer a riddle; to guess (i.e. form an opinion without much evidence)