impostor Copy link Outline 1. plănus (strictly, a strolling player of tricks; hence, a deceiver)2. impostor (late)3. expr. by circuml., ad fallendum, ad fallacias paratus, instructus (Kr.). • impostor: 1. plănus (strictly, a strolling player of tricks; hence, a deceiver): cf. Hor. 1, 17, 59 (Cic. Clu. 26, 72, has the word = vagabond): Aug. 2. impostor (late): Ulp. Dig. 21, 1, 4, § 2: Hier. Ep. 38, fin. 3. expr. by circuml., ad fallendum, ad fallacias paratus, instructus (Kr.).