institute legal proceedings against; file a suit against (Freq. 8) - He was warned that the district attorney would process him - She actioned the company for discrimination • Syn: action, litigate, process • Derivationally related forms: process (for: process), litigation (for: litigate), suit, suer, actionable (for: action), action (for: action) • Hypernyms: challenge • Hyponyms: expedite • Verb Group: litigate • Verb Frames: - Somebody ----s somebody - Somebody ----s - They sue to move