assassinator|əˈsæsɪneɪtə(r)| [n. of agent f. assassinate, on L. analogies; cf. 16th c. F. assassinateur.] One who assassinates; an assassin. 1676Bates Immort. Soul xii. (R.) The assassinators of kings.1704Lond.Gaz.No. 4029/3 Looked upon..as Assassinators.