Col*lude" (?), v. i. [imp. & p. p. Colluded; p. pr. & vb. n. Colluding.] [L. colludere, -lusum; col- + ludere to play. See Ludicrous.]
To have secretly a joint part or share in an action; to play into each other's hands; to conspire; to act in concert.
If they let things take their course, they will be represented as colluding with sedition.
Burke.
© Webster 1913.