collusion Copy link Outline 1. collūsio2. pactio3. praevārĭcātio (on the part of an advocate) • collusion: 1. collūsio: Cic.: Ulp. 2. pactio: Cic. 3. praevārĭcātio (on the part of an advocate): Cic. Phr.: to be guilty of c.: v. to collude: one who is guilty of it, collūsor, praevārĭcātor (the latter only of an advocate).