Webster’s Revised Unabridged Dictionary · 1913
Confabulate
Con·fab′u·late, v. i. [imp. & p. p. Confabulated; p. pr. & vb. n. Confabulating.] [L. confabulatus, p. p. of confabulary, to converse together; con- + fabulary to speak, fr. fabula. See Fable.] To talk familiarly together; to chat; to prattle.
I shall not ask Jean Jaques Rousseau If birds confabulate or no. Cowper.