collogue
/kɒˈləʊɡ
/verb (collogues, colloguing, collogued) [no object] archaic
Talk confidentially or conspiratorially: they wagged their old heads sadly when they collogued in clubs
Origin
Early 17th century (in the sense 'flatter, pretend to agree with or believe'): probably an alteration of obsolete colleague 'conspire', by association with Latin colloqui 'to converse'.