Lewis & Short

incepto, āre, v. freq. a. [incipio],

  1. I. to begin, undertake, attempt (ante- and post-class.): inceptas facinus facere, Plaut. Curc. 1, 1, 23; so, with inf.: loqui, id. Trin. 4, 3, 23: canere, Gell. 1, 11, 3: quo iter inceptas? Plaut. Truc. 1, 2, 28: quid inceptas? Ter. Eun. 5, 8, 1.
  2. II. Esp., to begin business, cum aliquo, i. e. to quarrel: si cum illo inceptas homine, Ter. Phorm. 4, 3, 24.