Lewis & Short

calvor, 3, v. dep. a. (access. form cal-vo, ĕre, v. infra; calvio, Are, Serv. ad Verg. A. 1, 720).

  1. I. To devise tricks, use artifice, attack one with artifice, to intrigue against, to deceive (except in Sallust, only ante-class. for the class. calumnior): SI. CALVITVR. PEDEMVE. STRVIT., Fragm. XII. Tab. ap. Fest. s. v. struere, p. 313 Müll.; the same law is fragmentarily mentioned by Lucil. ap. Non. p. 7, 2, and Dig. 50, 16, 233.
  2. II. In gen., to deceive, delude: me calvitur suspitio, Pac. ap. Non. p. 7, 6 (Trag. Rel. v. 137 Rib.): calamitas arvas calvitur, Pac. ap. Non. p. 192, 32 (Trag. Rel. v. 396 Rib.); Plaut. Cas. 2, 2, 4: sed memet calvor, Att. ap. Non. p. 6, 33.
    Note: Pass. (cf. calumnior fin.): te vocis calvi similitudine, Pac. ap. Non. p. 6, 29; Sall. H. 3, 78 Dietsch, and Prisc. p. 883 P.