divination: the attempt to obtain hidden or future knowledge by working a ritual procedure, and the answer such a procedure delivers
The word covers a whole transaction, not a single moment. Someone needs an answer that ordinary knowledge cannot supply: which road an army should take, whether a nation can be cursed, what is coming next. A specialist works a recognized procedure, shaking arrows, casting lots, questioning household figurines, inspecting the liver of a sacrificed animal, and an answer comes back. Hebrew uses this one noun for three linked things:
- the ritual procedure a specialist works to get an answer
- the answer that procedure hands back, spoken or read off
- the money paid to the specialist for working it
What the Bible objects to is the method, not the wish to know. Israel was to receive guidance when God chose to give it, through someone he had sent. Divination reverses the direction: it works a technique on the unseen world to make an answer appear on demand. That is why the law files it among the practices that got the previous nations driven out of the land, and why Samuel could tell Saul that stubbornness is the same sin as divination. The verb built on the same root (קָסַם) carries the identical charge.
The prophets then sharpen the word into a weapon. When a man stands up and delivers a message God never gave him, Jeremiah and Ezekiel refuse to call it prophecy. They call it divination: a manufactured oracle wearing God's name. So the noun slides from what a foreign king does with arrows to what a false prophet does with his mouth, and the falsehood is usually spelled out by the word attached to it, "a divination of a lie."
One verse breaks the pattern. Proverbs says this word is on the lips of a king, meaning his verdict should carry a weight beyond ordinary human judgment. The proverb is not licensing the practice. It borrows the vocabulary of the oracle to say that a royal ruling ought to be as settled and as reliable as an answer from heaven.