'Plan' in the Bible

Even though this plan seemed like a good idea to Absalom and to all of the elders of Israel,

When Hushai had come to Absalom, Absalom said to him, “Ahithophel has spoken thus. Shall we carry out his plan? If not, you speak.”

After the men had left, Ahimaaz and Jonathan climbed out of the well. Then they left and informed King David. They advised David, "Get up and cross the stream quickly, for Ahithophel has devised a plan to catch you."

The woman went to all of the people with her wise plan, so they cut off the head of Sheba the son of Bicri and threw [it] to Joab. Then he blew the horn and dispersed from the city, each to his tent. Then Joab returned to Jerusalem to the king.