Conspiracy
Vine's Expository Dictionary of NT Words [1]
denotes, lit., "a swearing together" (sun, "with," omnumi, "to swear"), a "being leagued by oath, and so a conspiracy," Acts 23:13 .
King James Dictionary [2]
Conspiracy n. L. See Conspire.
1. A combination of men for an evil purpose an agreement between two or more persons, to commit some crime in concert particularly, a combination to commit treason, or excite sedition or insurrection against the government of a state a plot as a conspiracy against the life of a king a conspiracy against the government.
More than forty had made this conspiracy. Acts 23 .
2. In law, an agreement between two or more persons, falsely and maliciously to indict, or procure to be indicted, an innocent person of felony. 3. A concurrence a general tendency of two or more causes to one event.
Webster's Dictionary [3]
(1): (n.) A concurence or general tendency, as of circumstances, to one event, as if by agreement.
(2): (n.) A combination of men for an evil purpose; an agreement, between two or more persons, to commit a crime in concert, as treason; a plot.
(3): (n.) An agreement, manifesting itself in words or deeds, by which two or more persons confederate to do an unlawful act, or to use unlawful to do an act which is lawful; confederacy.