to expect (a particular event, result etc)

expect; predict

to believe (something) before there is proof

believe, take for granted

to arrive at (knowledge, a theory etc) by reasoning

figure out, understand

to know (something) in advance

anticipate, predict

to produce (an idea etc) as a hypothesis

speculate

a plan, idea etc that cannot happen or be successful

think about deeply and theorize

to be a sign or warning of (a future event etc)

foreshadow, indicate

to say, tell, something in advance

express an outcome in advance

to say what will happen

predict, warn

to think, consider, form opinions (without having complete knowledge); to buy and sell goods, shares etc with the hope of profit from changes in their market value

think about deeply and theorize