to examine (a thing) carefully in order to learn something about it

examine and determine

to judge the value, worth, quality of (something)

judge, estimate

to find the true meaning of (something produced in code)

decipher

to see (something) clearly (with the eyes or with the mind)

catch sight of; recognize and understand

to identify, state, a difference between people, things (by looking, listening, thinking etc)

tell the difference

to find out, decide, the amount or value of (something)

judge

a unit of measurement (6 feet or 1.8 meters) of the depth of water; to understand fully

discern, understand

to say (what will happen)

predict, warn

to produce (an idea etc) as a hypothesis

speculate

to reach an opinion (from facts or reasoning)

conclude

to be more clever, cunning, than (another person, animal)

outwit

to defeat (a person) by being more cunning

deceive

a plan, idea etc that cannot happen or be successful

think about deeply and theorize

to say, tell, something in advance

express an outcome in advance

to calculate (something) (the usual word); to consider, suppose, (something); to assume (something)

add up; evaluate

to find the answer to (a problem etc); explain (a difficulty)

answer, resolve

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

to know the meaning, nature, explanation, of (something); to learn (something) from a conversation, remark etc; to accept a word, statement, as meaning (something)

appreciate, comprehend